幾何
三角形、円、座標幾何、証明問題。
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1. in an equilateral triangle, all side - lengths are equal and all ang…
1. Each angle of an equilateral triangle measures 60°. 2. (Sketch three non - congruent isosceles triangles with two equal side lengths and two equal angle measures). 3. Possibili…
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12th grade achievement test 31 if you slide figure abcdef 4 units to th…
C. $(-1,-2)$ ### Question 32
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solve the following inequality. graph the solution set and write it in …
A. The solution set is \((-\infty,8)\) The graph of the solution set is A (an open - circle at 8 and an arrow pointing to the left).
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the perimeter of the triangle shown on the right is 139 feet. find the …
The length of the side that is represented by $x$ is $13$. The length of the side that is represented by $2x$ is $26$. The length of the side that is represented by $8x - 4$ is $1…
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question quadrilateral hjk is similar to quadrilateral lmno. find the m…
$14.2$
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quadrilateral huk is similar to quadrilateral lmno. find the measure of…
$5.7$
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quadrilateral jklm is similar to quadrilateral nopq. find the measure o…
33
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question quadrilateral lmno is similar to quadrilateral pqrs. find the …
4.8
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question. triangle ljk is similar to triangle lmn. find the measure of …
$53.6$
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question: triangle ljk is similar to triangle lmn. find the measure of …
$22.1$
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question quadrilateral cdef is similar to quadrilateral ghij. find the …
$7.2$
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determine if triangle klm and triangle nop are or are not similar, and,…
The triangles are similar because the three pairs of corresponding angles are equal.
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question: determine if triangle ijk and triangle lmn are or are not sim…
The triangles are similar.
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question determine if triangle def and triangle ghi are or are not simi…
The triangles are similar.
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question: determine if triangle stu and triangle vwx are or are not sim…
The triangles are not similar because there is not enough information to apply AA, SAS, or SSS similarity criteria.
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learning objective: determine basic information about the great zimbabw…
A. Venerated houses
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question determine if triangle stu and triangle vwx are or are not simi…
The triangles are similar. We know this because the ratios of two pairs of corresponding sides are equal ($\frac{ST}{VW}=\frac{SU}{VX}=\frac{1}{4}$) and the included angles betwee…
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find the x - intercept and the y - intercept of the line below. click o…
(a) 1 (b) - 2
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find x rounded to one decimal place. x = 30° 2 x
$2.3$
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find x rounded to one decimal place. x =
$76.9$
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question 1, 2.2.10 decide whether the following statement is true or fa…
False
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express the length x in terms of the trigonometric ratios of θ. x =
$20\sin\theta$
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16. -/1 points find x rounded to one decimal place. x = show my work (o…
$115.5$
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solve the right triangle. find the length of the side opposite to the g…
Length of side opposite: $415.76$ Length of side adjacent: $172.22$ Other acute angle: $\frac{\pi}{8}$ radians
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7 triangle fgh is transformed in the coordinate plane to form the image…
The transformation is a $180^{\circ}$ counter - clockwise rotation about the origin. To label the vertices of $F'G'H'$, if $F(x_1,y_1)$, then $F'(-x_1,-y_1)$; if $G(x_2,y_2)$, the…
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in the coordinate plane continued 6 quadrilateral pqrs is transformed i…
For quadrilateral PQRS, the vertices of P'Q'R'S' are as labeled (P'(4, - 1), Q'(8, - 2), R'(6, - 5), S'(2, - 5)) and the transformation is a reflection over the line y = - x. For …
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determine the relationship between the two triangles and whether or not…
The two triangles are congruent. They can be proven congruent by the AAS (Angle - Angle - Side) congruence criterion as they have a pair of right - angles (equal angles), a pair o…
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determine the relationship between the two triangles and whether or not…
The two triangles are congruent by the SAS (Side - Angle - Side) congruence criterion.
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question determine the relationship between the two triangles and wheth…
The two triangles are congruent by the SAS (Side - Angle - Side) congruence criterion.
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determine the relationship between the two triangles and whether or not…
The two triangles are related by Side - Side - Side (SSS), so the triangles can be proven congruent.
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determine the relationship between the two triangles and whether they c…
The two triangles cannot be proven to be congruent.
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figure abcde is transformed in the coordinate plane to form the image a…
The vertices of A'B'C'D'E' are: A'(2, - 6), B'(3, - 10), C'(6, - 8), D'(7, - 5), E'(5, - 4). The transformation used is a reflection across the x - axis.
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figure abcde is transformed in the coordinate plane to form the image a…
Without the actual figure details (such as coordinates of vertices of the original and transformed figure), we can't label the vertices of $A'B'C'D'E'$ precisely. But the possible…
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determine the relationship between the two triangles and whether or not…
The two triangles are related by similarity, so the triangles cannot be proven congruent.
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the measures of the angles of a triangle are shown in the figure below.…
$x = 13$
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describing single rigid transformations in the coordinate plane > for p…
1. Reflection 2. Reflection 3. Reflection 4. Reflection
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the measures of the angles of a triangle are shown in the figure below.…
13
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find the distance d(p1, p2) between the points p1 and p2. p1=(5, - 5) p…
$2\sqrt{10}$
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the measures of the angles of a triangle are shown in the figure below.…
22
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the measures of the angles of a triangle are shown in the figure below.…
\(x = 13\)
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question a side of the triangle below has been extended to form an exte…
\(109\)
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find the area of the figure given to the right. round to the nearest wh…
459
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solve the right triangle. find the length of the side opposite to the g…
Length of side opposite the given angle: $48.17$ Length of the hypotenuse: $59.55$ Other acute angle: $36^{\circ}$
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question determine the relationship between them or not they can be pro…
If the corresponding sides of the other triangle are equal, the two triangles are related by Side - Side - Side (SSS), so the triangles are congruent.
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determine the relationship between the two triangles and whether or not…
The two triangles are related by no special transformation, so the triangles are not congruent.
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48 reflecting a figure results in a change in which of the following? a…
A. its position
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a formula for determining the rate of increase in size for a geometric …
$7.45$
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for each transformation in the table below, indicate which properties a…
| Transformation | The image and pre - image are congruent | The image and pre - image are similar but not congruent | Lengths of segments are preserved | Measures of angles are p…
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a formula for determining the rate of increase in size for a geometric …
$10.5$
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find the coordinates of the point that is $\frac{7}{10}$ from a to b. (…
(7,1.8)
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find the area of the shaded region. (each side of inner triangle is 1.1…
$5.7$ $cm^{2}$
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find the area of the geometric figure. the area of the geometric figure…
24 square yards
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a formula for determining the rate of increase in size for a geometric …
12
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find the area of the geometric figure. the area of the geometric figure…
52
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find the area of the geometric figure. the area of the geometric figure…
$44$ yd²
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select the notation that maps abc onto def. (a) (x,y)→(x - 5,y - 6) (b)…
B. \((x,y)\to(x - 6,y - 5)\)
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other than itself, which angle is congruent to ∠aeb?
$\angle DEH$
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what is an angle that is adjacent to ∠hbe?
∠EBF
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a. the transformation preserves angle measures. b. the transformation i…
A. The transformation preserves angle measures.
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other than itself, which angle is congruent to ∠afb?
$\angle DFE$
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what is an angle that is complementary to ∠fga?
∠AGE
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what is an angle that is adjacent to ∠dge?
∠EGF
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other than itself, which angle is congruent to ∠aeb?
∠DEC
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what is an angle that is adjacent to ∠1? work it out not feeling ready …
∠2
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other than itself, which angle is congruent to ∠2?
∠4
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which angles are supplementary to each other? ∠1 and ∠5 ∠5 and ∠12 ∠11 …
∠11 and ∠12
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determine the equation of the graph. the equation of the graph is (type…
$x = 9$
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graph the equation and state the slope of the line if the slope exists …
The slope of the line $x=-1$ is undefined. The graph is a vertical line passing through the point $(-1,0)$ (and all points with $x -$coordinate equal to -1).
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substitute the given values into the given formula and solve for the un…
14
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answer attempt 1 out of 2 $x=square^{circ}$ $y = square^{circ}$
\(x = 59\) \(y = 31\)
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answer attempt 1 out of 2 $g=square^{circ}$ $h = square^{circ}$ $k=squa…
\(g = 118^{\circ}\), \(h = 62^{\circ}\), \(k = 133^{\circ}\), \(m = 47^{\circ}\)
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for each inequality, show the integers which are solutions in two ways:…
1. For \(x < 1\): - List: \(\{...,-3,-2,-1,0\}\) - Graph: An open - circle at \(1\) and an arrow pointing to the left on the number line. 2. For \(x>5\): - List: \(\{6,7,8,...\}\)…
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draw a line representing the “rise” and a line representing the “run” o…
The slope of the line is $\frac{4}{5}$. Regarding drawing the "rise" and "run" lines, to draw the "rise" line, start from the point (-5, 0) and draw a vertical line segment 4 unit…
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answer attempt 1 out of 2 $x=square^{circ}$ $y = square^{circ}$
$x = 52$ $y = 128$
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find the measure of the missing angle. answer attempt 1 out of 2 a =
$20$
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find the distance between the points (-16.2, -18.2) and (3, -4.4). roun…
$23.6$
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answer attempt 1 out of 2 $g=square^{circ}$ $h=square^{circ}$ $k=square…
\(g = 61\) \(h = 119\) \(k = 59\) \(m = 121\)
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find the distance between the points (2, -15.2) and (-11, 4.1). round d…
$23.3$
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find the distance between the points (-20, 15) and (-10, 5). round deci…
$14.1$
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answer attempt 1 out of 2 x = ° y = °
$x = 49^{\circ}$ $y = 41^{\circ}$
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find the distance between the points (-8, -8) and (4, 4). round decimal…
$17.0$
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answer attempt 1 out of 2 $g=square^{circ}$ $h = square^{circ}$ $k=squa…
\(g = 131^{\circ}\) \(h = 49^{\circ}\) \(k = 54^{\circ}\) \(m = 126^{\circ}\)
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find the distance between the points (9, 2) and (-6, 2). round decimals…
15
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find the distance between the points (8, 1) and (1, 6). round decimals …
$8.6$
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find the distance between the points (2, 10) and (8, 4). round decimals…
$8.5$
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for each equation or inequality below, graph the set of all rational nu…
1. For \(x > 1\): Draw an open - circle at \(x = 1\) and shade the number line to the right of \(1\). 2. For \(x<2\): Draw an open - circle at \(x = 2\) and shade the number line …
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find the distance between the points (1, 2) and (10, 8). round decimals…
$10.8$
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find the distance between the points (11, 5) and (2, 11). round decimal…
$10.3$
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47. if (f(x)=12 - \frac{x^{2}}{2}) and (f(2k)=2k), what is one possible…
A. 2 ### 48.
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jazlyn wants to purchase the triangular trampoline shown. the scale is …
Actual base = 8 ft Actual height = 10 ft
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find the distance between the points (-10, -5) and (-4, 9). round decim…
$15.2$
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find the distance between the points (10, -2) and (5, -2). round decima…
5
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jazlyn wants to purchase a triangular trampoline. $a = \\frac{1}{2}bh$.…
Actual base = 10 ft Actual height = 12 ft
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find the distance between the points (9, 9) and (-4, -2). round decimal…
17.0
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find the distance between the points (-2, -7) and (10, -7). round decim…
12
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jada wants to purchase a triangular trampoline. what are the actual bas…
Actual base = 10 ft Actual height = 12 ft
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find the distance between the points (-9, 1) and (-2, 10). round decima…
$11.4$
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find the distance between the points (3, 10) and (-9, -6). round decima…
$20$
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jazlyn wants to purchase a triangular trampoline. what is the formula f…
D. $A=\frac{1}{2}bh$
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3 2 8 cm³ 11 cm³ 15 cm³ 18 cm³
18 cm³