Géométrie
Triangles, cercles, géométrie analytique et démonstrations.
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which of the lines are perpendicular? □ a and d □ b and d □ c and d whi…
b and d are perpendicular; a and c are parallel. So the answers are: - For perpendicular lines: b and d - For parallel lines: a and c
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using the graph, determine the coordinates of the y - intercept of the …
(0, 3)
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find the values of the variables and the measures of the angles. 29. 30…
$x = 37$, $\angle P=65^{\circ}$, $\angle Q = 78^{\circ}$, $\angle R=37^{\circ}$
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find the values of the variables and the measures of the angles. 29. 30.
$x = 37$, $\angle P=65^{\circ}$, $\angle Q=78^{\circ}$, $\angle R = 37^{\circ}$
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given: eg = hk, fg = hj. prove: ef = jk. step statement 5 ef + fg = hj …
The reason for step 7 (to get $EF = JK$ from $EF+FG=HJ + JK$ and $FG = HJ$) is the Subtraction Property of Equality.
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given: eg = hk, fg = hj. prove: ef = jk. 5. ef + fg = hj + jk, reason: …
The proof is valid. The reason for step 7 is the Subtraction Property of Equality (after using substitution to get an equation where we can subtract the equal - length segments fr…
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wxyz and hijk are shown on the coordinate grid, where wxyz is a dilatio…
| Segment | Slope | Distance | |--|--|--| | $\overline{YZ}$ | 0 | 2 | | $\overline{JK}$ | 0 | 3 | | $\overline{WX}$ | 1 | $2\sqrt{2}$ | | $\overline{HI}$ | 1 | $3\sqrt{2}$ |
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homework find the measures complete the table measure m∠1 = 103° m∠2 = …
m\(\angle1 = 103^{\circ}\), m\(\angle2 = 77^{\circ}\), m\(\angle3 = 77^{\circ}\), m\(\angle4 = 103^{\circ}\)
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1. reflect △hij across the line y = -x, then reflect △hij across the x …
If $H=(x_1,y_1)$, $H'=(-y_1,-x_1)$, $H''=(-y_1,x_1)$, $H'''=(x_1,y_1)$ If $I=(x_2,y_2)$, $I'=(-y_2,-x_2)$, $I''=(-y_2,x_2)$, $I'''=(x_2,y_2)$ If $J=(x_3,y_3)$, $J'=(-y_3,-x_3)$, $…
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(01.05 mc) a truck driver is driving from nome, alaska to death valley,…
Part A: $-40 < t<140$ Part B: Open circles at - 40 and 140, shading between them. Solutions represent liquid - state temperatures. Part C: No, because $-49 < - 40$, the temperatur…
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composite transformation practice perform each composite transformation…
Without the original coordinates of the vertices of the shapes (H, I, J, L, M, N, Q, U, A, D), we can only give the general coordinate - connection rules: For the first shape: $(x…
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find the measures of the numbered angles in the figure, shown to the ri…
$m\angle1 = 103^{\circ}$, Justification: Vertical - angles theorem $m\angle2 = 77^{\circ}$, Justification: Linear - pair postulate $m\angle3 = 77^{\circ}$, Justification: Vertical…
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algebra find each missing angle measure. 17. 18. 19.
17. \(57^{\circ}\); 18. \(115.5^{\circ}\); 19. \(\angle3 = 92^{\circ}\), \(\angle4 = 88^{\circ}\)
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algebra find each missing angle measure. 17. 18. 128.5° 13° 19. 45° 3 4…
17. \(59^{\circ}\); 18. \(115.5^{\circ}\); 19. \(88^{\circ}\)
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which pairs of figures below are congruent? congruent? yes no yes no co…
First pair: Yes Second pair: No Third pair: No Fourth pair: No
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build a venn diagram. • use the names of the sets to label the regions.…
Place $\frac{10}{7}$ in the part of the rational numbers circle that is not in the integers circle. Place 40 in the whole numbers circle (inside the integers circle, inside the ra…
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find the area of the figure below, composed of a rectangle and a semici…
$145.1$
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find the area of the figure below, composed of an isosceles trapezoid a…
$21.6$
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find the area of the figure below, composed of a rectangle and one semi…
$40.0$
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find the area of the figure below, composed of a rectangle and a semici…
98.1
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the circle has center o, and the central angle of the shaded sector mea…
$\frac{3}{8}$
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quadrilateral rstq is a parallelogram. which of the following relations…
\(\angle R\cong\angle Q\)
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find the side length of a cube with a volume of 314 cm³. if necessary, …
$6.8$
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find the area of the figure below, composed of a parallelogram and one …
$245.5$
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the circle has center o, and the central angle of the shaded sector mea…
C. $\frac{1}{2}$
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find the area of the figure below, composed of a rectangle and two semi…
$228.5$
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the circle has center o, and the measure of angle ros is 72°. the lengt…
C. $\frac{1}{5}$
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triangle abc is shown. what is sin(∠bac)? choose 1 answer: a $\frac{9sq…
A. $\frac{9\sqrt{97}}{97}$
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the area of a circle is 81π cm². what is the circumference, in centimet…
$18\pi$
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find m∠1. 9. 10. 11. see problem 1.
9. $m\angle1 = 30^{\circ}$ 10. $m\angle1 = 7.5^{\circ}$ 11. $m\angle1 = 90^{\circ}$
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triangle abc is shown. what is sin(∠abc)? choose 1 answer: a √2 b 1 c 3…
D. $\frac{\sqrt{2}}{2}$
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the circumference of a circle is 12π m. what is the area, in square met…
$36\pi$
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logical reasoning is it possible to prove that lines m and n are parall…
Yes, using the Corresponding Angles Postulate.
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the circumference of a circle is 7π m. what is the area, in square mete…
$\frac{49\pi}{4}$
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find the measure of ∠a and ∠b. round answers to the nearest whole degre…
31. $\angle A\approx53^{\circ}$, $\angle B\approx37^{\circ}$ 32. $\angle A\approx64^{\circ}$, $\angle B\approx26^{\circ}$ 33. $AB\approx24.6104$ 34. $JL\approx10.8565$ 35. $x\appr…
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the area of a circle is 36π cm². what is the circumference, in centimet…
$12\pi$
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the diameter of a circle is 13 m. find its area to the nearest tenth. a…
$132.7$ m²
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logical reasoning is it possible to prove that lines m and n are parall…
Yes, by the Corresponding Angles Postulate.
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which underlined phrases give specific details about place? select two …
1. around the corner 2. down the street
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the diameter of a circle is 17 ft. find its area to the nearest whole n…
$227$
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in the right triangle shown, the length of $overline{bc}=5$ and the len…
C. \(2\sqrt{14}\)
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question the radius of a circle is 3 cm. find its area to the nearest t…
$28.3$ $cm^{2}$
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triangle abc is shown. what is sin(∠bac)? choose 1 answer. a 9√106 / 10…
B. $\frac{9\sqrt{106}}{106}$
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the dimensions of a room are given as 9.2 meters by 10.9 meters, to the…
$101.4$ $m^{2}$
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the radius of a circle is 8 cm. find its area to the nearest whole numb…
201
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the dimensions of a room are given as 9.2 meters by 10.9 meters, to the…
$100$ m²
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a. draw a scaled copy of the polygon using a scale factor 3. label the …
A. Draw Polygon A by multiplying original vertex coordinates by 3. B. Draw Polygon B by multiplying original vertex coordinates by $\frac{1}{2}$. C. Yes, the scale factor from B t…
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for each graph, decide if the two lines are parallel, perpendicular, or…
Graph 1: Neither Graph 2: Parallel Graph 3: Neither Graph 4: Parallel
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for each graph, decide if the two lines are parallel, perpendicular, or…
Graph 1: Neither Graph 2: Perpendicular Graph 3: Parallel Graph 4: Neither
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the radius of a circle is 10 m. find its area to the nearest whole numb…
314
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the radius of a circle is 14 in. find its area in terms of $pi$. answer…
$196\pi$
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mrs. washingtons rectangular dining - room floor is 16 feet by 20 feet.…
C. 12 feet by 15 feet
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the radius of a circle is 7 ft. find its area in terms of $pi$. answer …
$49\pi$
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the diameter of a circle is 4 ft. find its area in terms of π. answer a…
$4\pi$
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review problems 4. a map of colorado says that the scale is 1 inch to 2…
Yes, the two ways of reporting the scale are the same because when 20 miles is converted to inches (20×5280×12 = 1267200 inches), the ratio of 1 inch to 20 miles is equivalent to …
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the diameter of a circle is 12 cm. find its area in terms of $pi$. answ…
$36\pi$
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the radius of a circle is 9 cm. find its area in terms of $pi$. answer …
$81\pi$ $cm^{2}$
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find the perimeter of the figure below, composed of a rectangle and two…
53.4
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find the perimeter of the figure below, composed of a rectangle and two…
$40.8$
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unit #2 - warmup problem #2: (a) using the three points plotted below, …
(b) $114^{\circ}$ (c) Obtuse - angle
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you can use what you learned about exterior angles of triangles to find…
\(130\)
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find the perimeter of the figure below, composed of a rectangle and a s…
$31.4$
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solve the challenge enter the unknown angle measures into the table. pr…
| Angle | Measure (degrees) | |--|--| | ABC | 29 | | ABD | 151 | | ABE | 151 | | DBE | 28 | | GBE | 29 | | DBG | 1 |
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5. ray ef is shown below. plot point g and draw ray eg so that the meas…
A semicircle
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find the perimeter of the figure below, composed of a parallelogram and…
$36.6$
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triangle xyz has vertices at x(3, 2), y(8, 2), and z(3, 6). the triangl…
C. 150 square units
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find the perimeter of the figure below, composed of a rectangle and two…
$34.6$
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find the perimeter of the figure below, composed of an isosceles trapez…
$46.6$
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worked examples: try constructing segments and segment bisectors which …
# Breve explicación: En la construcción geométrica, el regla (ruler), el rectilíneo (straightedge), y la compás son herramientas comunes. El transportador (protractor) se utiliza …
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4. in the diagram shown, ∠abc is a right angle. if m∠ebc = 39° and m∠ab…
$x = 13$
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what is a segment bisector? a line, line segment, or ray that is perpen…
a line, line segment, or ray that passes through the mid - point of a line segment
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find the perimeter of the figure below, composed of a parallelogram and…
$21.3$
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3. if $mangle h = 5d + 8$ and $d = 14^{circ}$ then which of the followi…
(1) it is acute
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find the perimeter of the figure below, composed of a rectangle and two…
$43.1$
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find the perimeter of the figure below, composed of a rectangle and a s…
$34.6$
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2. in the diagram shown, the measure of ∠mkj is 64° and the measure of …
(3) \(43^{\circ}\)
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find the perimeter of the figure below, composed of an isosceles trapez…
$16.1$
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find the perimeter of the figure below, composed of a parallelogram and…
$39.4$
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logical reasoning is it possible to prove that lines m and n are parall…
Yes, using the Corresponding Angles Postulate.
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the circumference of a circle is 11π m. find its radius, in meters. ans…
$5.5$
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the circumference of a circle is 14π cm. find its radius, in centimeter…
$7$
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the circumference of a circle is 20π ft. find its diameter, in feet. an…
$20$
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the circumference of a circle is 11π m. find its diameter, in meters. a…
$11$
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the circumference of a circle is 16π in. find its diameter, in inches. …
16
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the radius of a circle is 12.1 ft. find the circumference to the neares…
$76.0$ ft
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the diameter of a circle is 40 m. find the circumference to the nearest…
126
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the diameter of a circle is 55 in. find the circumference to the neares…
$173$
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the radius of a circle is 13.2 m. find the circumference to the nearest…
$82.9$ m
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the diameter of a circle is 6 ft. find the circumference to the nearest…
$18.8$ ft
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the radius of a circle is 18 ft. find its circumference in terms of $pi…
$36\pi$
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a sprinkler is placed at the center of the lawn. a sprinkler sprays wat…
$\frac{5\sqrt{2\pi}}{\pi}$
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the radius of a circle is 12 in. find its circumference in terms of $pi…
$24\pi$ in
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alesha is designing a sandbox for a playground. rectangle klmn, shown o…
\(N''(6,-12)\)
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at a point on the ground 70 ft from the base of a tree, the distance to…
24
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△pin is rotated −270° about the origin. draw the image of this rotation.
# Explanation: ## Step1: Recall rotation rule A rotation of $- 270^{\circ}$ about the origin is equivalent to a rotation of $90^{\circ}$ clock - wise. The rule for a $90^{\circ}$ …
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a can of beans has surface area 348 cm². its height is 19 cm. what is t…
$2.57$
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do you remember how to find a point? review with a quic which of the fo…
A point has no width. A point is a location. A point has no length.
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a can of beans has surface area 346 cm². its height is 17 cm. what is t…
$2.79$
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a can of beans has surface area 346 cm². its height is 17 cm. what is t…
$2.79$
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a rectangular piece of metal is 25 in longer than it is wide. squares w…
The original width is 21 inches and the original length is 46 inches.