幾何
三角形、円、座標幾何、証明問題。
-
michael is finding the area of parallelogram abcd. to do this, he follo…
5 units by 6 units
-
1 mm × 1 mm × 6 = mm²
6
-
a triangle has these properties: three sides of different lengths two a…
B. scalene, obtuse
-
which best describes the triangle? isosceles scalene equilateral acute
scalene
-
to find the area of parallelogram rstu, juan starts by drawing a rectan…
(18 + 4)
-
on a map of the national mall in washington, d.c., the lincoln memorial…
6
-
what two names can be used to describe this triangle? use the drop - do…
Based on side lengths: Equilateral triangle Based on angle measures: Acute triangle
-
brittany graphs the point (6, 3) on a coordinate grid. which describes …
6 units to the right and 3 units up
-
which expression can be used to find the area of triangle rst? (8 * 4) …
B. (8.4) - 1/2(10+12+16)
-
which line is perpendicular to a line that has a slope of -1/3? o line …
line EF
-
who is the world’s most famous french fictional law officer? determine …
I N H F N S O P ● K E C C T O T R K A R ● A L G H A I O P I G O A G C O
-
a right triangle is given with side lengths $(n - 5n^{2})$, $(5n^{2}+2n…
A. \(3n^{2}\)
-
what is the area of triangle lmn? 6 square units 8 square units 3 squar…
4 square units
-
4. a triangle in the coordinate plane has vertices r(-2, 2), s(1, -1), …
$6 + 3\sqrt{2}$
-
the pythagorean theorem states that the sum of the squares of the legs …
The left side of the equation will result in a rational number, which could be a non - perfect square.
-
what is the area of triangle qrs? 9 square units 7 square units 13 squa…
10 square units
-
practice using slope to solve problems with parallel and perpendicular …
What is the slope of line PQ? 0 What is the slope of line MN? undefined How are the two lines related? The lines are perpendicular.
-
describe the transformation that maps figure abcd onto its image. figur…
A. \(A\)
-
what is the area of parallelogram abcd? 14 square units 16 square units…
13 square units
-
a) describe the transformation that maps figure abcd onto its image. b)…
a) The transformation is a dilation with the center of dilation at the origin. b) The scale factor is \(\frac{1}{2}\)
-
solve the inequality. then graph the solution set. 0 < 3(x + 7) ≤ 20 -∞…
The solution set is $-7<x\leq-\frac{1}{3}$. On the number - line, we use an open circle at $x = - 7$ (because $x>-7$) and a closed circle at $x=-\frac{1}{3}$ (because $x\leq-\frac…
-
the following represents slopes of two lines. which answer choice descr…
Perpendicular
-
describe the transformation that maps figure abcd onto its image. figur…
2
-
select the correct answer. what is the effect of enjambment in this exc…
C. It enhances the shocking effect.
-
write the coordinates of the vertices after a rotation 90° clockwise ar…
$K'(4,8)$ $L'(4,0)$ $M'(6,0)$ $N'(6,8)$
-
1. in the figure to the right, pr = 13 inches and qr = 4 inches. find p…
1. $PQ = 9$ inches 2. $QS = 60$ feet 3. $EF = 3$, $FG = 9$
-
triangle (abc) has vertices (a(2,4)), (b(0, - 4)), and (c(-1,-2)). it i…
6
-
find the length of the third side of the right triangle. give an exact …
28
-
in the diagram, ab = 10 and ac = 2√10. what is the perimeter of △abc? 2…
20 + 2√10 units
-
select the answers from the drop - down menus to correctly complete the…
$\triangle LMN$ is a reduction of $\triangle RST$ and the scale factor of the dilation is $0.25$.
-
describe the transformation that maps figure efgh onto its image. figur…
point \(E\)
-
in the diagram, dg || ef. what additional information would prove that …
$\overline{DE} \cong \overline{GF}$
-
2. the endpoints of $overline{ab}$ are $a(-6,5)$ and $b(-1,-6)$. find t…
$M(-\frac{7}{2},-\frac{1}{2})$
-
3. c is between q and r 4. t is between m and n c is between a and e. f…
7. \(QR = 23.8\) 8. \(SQ = 113.5\)
-
describe the transformation that maps figure efgh onto its image. figur…
2
-
ch 10 brush types and detangling implements quiz question1 of 2 2 point…
1. have sturdy bristles meant for severely tangled hair - plastic vent brush 2. folds up for easy storage - collapsible brush
-
which statement proves that parallelogram klmn is a rhombus? the mid - …
The slopes of LM and KN are both 1/2 and NK = ML = √20.
-
find the volume of the hemisphere. use 3.14 for pi and round to the nea…
C. $12,208.3$ $cm^{3}$
-
c is between a and e. for each problem, draw a picture representing the…
$16$ in.
-
11. find the length between c(6, -4) and d(2, -3).
$\sqrt{17}$
-
find the volume of the hemisphere. use 3.14 for pi and round to the nea…
None of the provided options are correct. The correct volume of the hemisphere with radius 9 cm using $\pi = 3.14$ is $1526.04$ $cm^{3}$.
-
hijk is a parallelogram because the mid - point of both diagonals is wh…
(1, 0)
-
which triangles are congruent to △a? choose all that apply. triangle d …
1. A. Triangle D 2. C. Triangle C, D. Triangle D
-
30) reflection across y = -1 s(1, +5), n(1, +2), v(4, +2), a(2, +5)
$S'(1,-7),N'(1,-4),V'(4,-4),A'(2,-7)$
-
explain why triangle rst is similar to triangle tyz.
$\triangle RST$ is similar to $\triangle TYZ$ by the AA similarity criterion since $\angle RST=\angle TYZ = 90^{\circ}$ and the non - right angles are equal as they are correspond…
-
what is the perimeter of △lmn? 8 + √10 units 9 units 6 + √10 units 8 un…
8 + √10 units
-
12) explain if the given measurements will form a triangle? a) 30°, 90°…
a) Can form a triangle. b) Cannot form a triangle. c) Can form a triangle. d) Cannot form a triangle. 13) One unique triangle.
-
the circumference of a cross section of a sphere is 12.56 in. (remember…
B. $33.5$ in³
-
which statement proves that quadrilateral jklm is a kite? 1. the slope …
LM = JM = 3 and JK = LK = √17.
-
write the equation of this line in slope - intercept form using the box…
$y=-3x - 15$
-
find the volume of the rectangular
216 in³
-
which triangles are congruent to △a? choose all that apply. triangle b …
D. Triangle D
-
find the equation in the form y = mx + b or x = c of the line pictured …
\(y=-x - 4\)
-
triangle abc is an isosceles triangle in which ab = ac. what is the per…
10 + √10 units
-
find the volume of the sphere. use 3.14 for pi and round to the nearest…
B. $2481.5$ $ft^{3}$
-
the vertices of a quadrilateral in the coordinate plane are known. how …
Use the distance formula to find the length of each side, and then add the lengths.
-
find the volume of the rectangular prism.
$32$
-
find the volume of the rectangular prism.
$32$
-
find ml n 110 + 4x m x + 103 l 70 k x + 243 find ge h 13x - 993 g 4 e 3…
$ML = 93$, $GE=\frac{758}{7}$
-
2.1 part 1 (recorded) score: 8/13 answered: 8/13 question 12 find the e…
$x = 3$
-
applying theorems to determine slope. if line b is perpendicular to lin…
1
-
question find the measure of the missing angles. answer attempt 2 out o…
\(x = 37\) \(y = 37\)
-
type the answers in the boxes below. 1. side pr measures units. 2. side…
1. 85 2. 30 3. $\triangle PQR$ and $\triangle TSR$ are similar because $\angle PQR=\angle TSR = 90^{\circ}$ and $\angle PRQ=\angle TRS$ (AA similarity criterion).
-
find de if the length of dg is 33. d 3x - 28 e 3x - 30 f x g
11
-
which value of x would make △suv ≅ △tuw by hl? 2 3 4 5
5
-
8. which solid is formed by rotating the triangle about line m? bowl sh…
cone
-
for the triangles to be congruent by hl, what must be the value of x?
4
-
8. find the area of the given triangle. a = \\frac{bh}{2}
$12$
-
verifying parallel and perpendicular lines using slope. use the diagram…
No, the slopes are not negative reciprocals.
-
2. calculate the surface area
$932.58$ $cm^{2}$
-
find the volume of the sphere. use 3.14 for pi and round to the nearest…
A. $904.3$ in³
-
5) write two true statements about the angles shown below: b a 45° c 6)…
5. Statement 1: $a = 45^{\circ}$; Statement 2: $b = c$ 6. A regular dodecahedron is a three - dimensional polyhedron with 12 regular pentagonal faces, 30 edges, and 20 vertices. 7…
-
point h is the mid - point of side fk. for the triangles to be congruen…
6
-
use the graph of the line to find the slope of the line. slope: slope b…
$-\frac{5}{6}$
-
6. the volume of a basketball is 434 in³. steve wants a ball with half …
D. 7.4 inches
-
verifying parallel and perpendicular lines using slope use the diagram …
No, the slopes are not equal.
-
question 4 use the graph of the line to find the slope of the line. slo…
$-\frac{1}{4}$
-
2) angles in a triangle add up to: ____ 3) identify the type of angles …
3) a) Corresponding angles b) Alternate - interior angles c) Alternate - exterior angles d) Vertical angles 4) It means that all corresponding sides and all corresponding angles o…
-
a conical tank is partially filled with water. the height of the tank i…
C. 231.3 cubic meters
-
1) define complementary and supplementary angles? 2) angles in a triang…
1. Complementary angles: Two angles with a sum of 90°. Supplementary angles: Two angles with a sum of 180°. 2. 180° 3. a) Vertical angles b) Corresponding angles c) Alternate exte…
-
find the volume of the pyramid. 11 cm 8 cm 6 cm a. 528 cm³ b. 264 cm³ c…
d. $88$ $cm^{3}$
-
2. r is between q and t and r, q and t are collinear. qr = 3x - 2, rt =…
$QR = 10$, $RT = 39$, $QT = 49$
-
find the volume of the pyramid 6 ft 4 ft 4 ft o a. 32 ft³ o b. 96 ft³ o…
A. $32$ ft³
-
2.1 part 1 (recorded) score: 6/13 answered: 6/13 question 4 use the gra…
$-\frac{3}{4}$
-
topic 1 using a rectangular coordinate system skills practice problem s…
1. Scalene, acute 2. Isosceles, acute
-
find the volume of the pyramid. 9 in 5 in 11 in a. 495 in³ b. 165 in³ c…
B. 165 in³
-
2) find the length of each side labelled with a variable. (answers to 1…
a) \(h = 10.0\mathrm{cm}\) e) The unknown side is \(9.0\mathrm{cm}\)
-
find the volume of the cone. use 3.14 for pi and round your answer to t…
D. $2,786.2$ ft³
-
in the diagram, ad is the perpendicular bisector of eb. what additional…
AB ≅ DE
-
you were painting a room in your house. unfortunately, you lost the lid…
d. No, the container is not big enough. There is 577.5 cubic inches of paint left and the new container is 480 cubic inches.
-
determine the easons\ for each statement made (you may use the same rea…
Step 1 Reason = Given Step 2 Reason = Definition of angle - bisector Step 3 Reason = Reflexive property of congruence Step 4 Reason = Angle - Angle - Side (AAS) congruence criteri…
-
find the volume of the prism. a. 200 in³ b. 207 in³ c. 284 in³ d. 158 i…
A. 200 in³
-
which statement indicates that the triangles in each pair are congruent…
A. $\triangle EFG\cong\triangle TEF$
-
find the volume of the prism. a. 152 km³ b. 216 km³ c. 109 km³ d. 113 k…
b. $216$ km³
-
congruent. if they are, state how you know. answer attempt 1 out of 2 s…
AAS
-
the triangles are congruent by the sss congruence theorem. which transf…
B. reflection then translation
-
the width of a rectangle measures (7r - 2s) centimeters, and its length…
$16r - 14s$
-
determine if the 2 triangles are congruent. if they are, determine how …
C. SAS
-
parallel and perpendicular lines worksheet 1. write whether the given p…
1. First pair: Parallel; Second pair: Perpendicular; Third pair: Perpendicular 3. a. Parallel 3. b. EF, GH 3. c. Parallel 3. d. (AB, CD), (EF, GH) 3. e. EF, GH 3. f. Perpendicular…
-
2 given: ∠2≅∠3;∠1 and ∠2 form a linear pair prove: ∠1 and ∠3 are supple…
For problem 2: 4. If two angles form a linear pair, they are supplementary. 5. Definition of supplementary angles. 6. Substitution property. 7. Definition of supplementary angles.…