幾何
三角形、圓、解析幾何與證明題。
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triangle congruence: sss and hl the triangles are congruent by sss or h…
reflection, then translation, then rotation
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question 10 of 10 tyrell is going to use asa to prove that ( \triangle …
A. Prove that \(\overline{QR}\cong\overline{QR}\) by the reflexive property.
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question 9 of 10 the assumption that \\( \\overline { y z } \\) is a pe…
B. False
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question 7 of 10 if \\( \\triangle l m n \\cong \\triangle x y z \\), w…
B. \(\angle Y\cong\angle M\) C. \(\overline{LN}\cong\overline{XZ}\) E. \(\overline{ML}\cong\overline{YX}\)
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question 6 of 10 determine which postulate or theorem can be used to pr…
B. AAS
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question 5 of 10 determine which postulate or theorem can be used to pr…
B. SSS
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question 4 of 10 johnny is going to use asa to prove that \\( \\triangl…
C. Prove that \(\angle VXW\cong\angle YXZ\) by vertical angles.
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question 3 of 10 if \\( \\triangle a b c \\cong \\triangle d b c \\), t…
A. True
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find the length of side a. b = 2 c = 4 a = 78° a = ? round to the neare…
\(4.1\)
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find the length of side b. round to the nearest tenth.
$14.7$
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rotate the vector $\\langle -3,5\ angle$ $270^{circ}$ degrees clockwise…
\(\langle5,3 angle\)
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reflect the given triangle over the line $y=-x$. $left \begin{array} { …
\(\begin{bmatrix}0&3&4\\0&-7&1\end{bmatrix}\)
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reflect the given triangle over the line ( y = -x ). \begin{bmatrix} 0 …
The value in the green - box (corresponding to the \(x\) - coordinate after reflection of the point \((7,-3)\)) is \(3\).
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question 4 solve for \x.\ 8.g.5 answer: 112° 65°
\(x = 47\)
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lines a and b are parallel. the m∠1 = 71°. what is the measurement of ∠…
\(109^{\circ}\)
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solve for \x.\
\(158\)
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lines m and n are parallel. ∠2 and ∠6 are what kind of angles? a) alter…
C. Corresponding Angles
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lines m and n are parallel. ∠7 is 138°. name all other angles that are …
$\angle2,\angle3,\angle6$
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question 3 of 10 if (\triangle abccong\triangle dbc), then (b) is the m…
A. True
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find the vertex and focus of the parabola: $y^{2}-10y + 4x + 21 = 0$ ve…
Vertex \(=(1,5)\) Focus \(=(0,5)\)
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lines x and y are parallel. find m∠afb.
\(127^{\circ}\)
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determine which postulate or theorem can be used to prove that (\triang…
C. AAS
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lines a and b are parallel. ∠2 and ∠5 are what kind of angles? answer: …
D. Alternate Interior Angles
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question 1 of 10 determine which postulate or theorem can be used to pr…
B. SAS
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solve for \x\ date: period question 1
\(x = 6\)
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question 9 of 10 the triangles shown below must be congruent. a. true b…
B. False
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the triangles shown below must be congruent. a. true b. false
B. False
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question 6 of 10 the triangles shown below may not be congruent. a. tru…
B. False
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question 5 of 10 aaa (angle - angle - angle) guarantees congruence betw…
B. False
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question 3 the figures below are congruent. find \b.\ 8.g.2 question 4 …
For the first part (finding \(B\)): \(B = 3\). For the second part (transformation): a) A reflection over the \(x\) - axis followed by a reflection over the \(y\) - axis.
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question 4 of 10 what else would need to be congruent to show that ( \t…
D. \(\angle A\cong\angle D\)
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line segment \\( \\overline { c d } \\) is shown on the grid. it will b…
d) The length of the image is the same as the original.
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question 3 of 10 ssa (side - side - angle) guarantees congruence betwee…
B. False
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question 2 of 10 what else would need to be congruent to show that \\( …
D. \(\angle B\cong\angle E\)
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what is the measure of angle trv? 20° 50° 60° 130°
\(130^{\circ}\)
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question 1 of 10 what else would need to be congruent to show that \\( …
D. \(\angle A\cong\angle D\)
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state whether the following is true or false. a rhombus in the cartesia…
False
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the figures below are congruent. find \z\. question 3 answer:
\(180^{\circ}\)
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which pair of angles are vertical angles? ∠wru and ∠srt ∠wrs and ∠vrt ∠…
\(\angle VRU\) and \(\angle TRS\)
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state whether the following is true or false. a triangle in the cartesi…
False
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what is the value of m? 10 30 70 150
10
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which series of transformations demonstrates that the figures are congr…
A. A reflection over the \(x\) axis followed by a reflection over the \(y\) axis.
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given: ( mangle orp = 80^{circ} )( mangle orn=(3x + 10)^{circ} )prove: …
\(\angle ORP\) and \(\angle ORN\) are a linear pair.
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given: ( mangle ade = 60^{circ} ) and ( mangle cdf=(3x + 15)^{circ} ) p…
Statement: \(60=3x + 15\); Reason: substitution
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what is ( mangle dfc )? ( 45^{circ} ) ( 80^{circ} ) ( 125^{circ} ) ( 13…
80°
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how tall is the tree? show work 5/1 = x/12 x = 5 × 12 = 60
\(20\) ft
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which are vertical angles? ∠afe and ∠bfd ∠bfc and ∠dfe ∠afe and ∠cfd ∠b…
$\angle BFC$ and $\angle EFA$
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2) dilate the figure given the scale factor scale factor: 4
\(U'(4,8)\), \(V'(8,12)\), \(W'(12,4)\)
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which statements are true about the parallelograms? choose three correc…
- Sides \( MQ \) and \( M'Q' \) both have the same slope. - The length of side \( MN \) is \( 2 \) units. - The length of side \( M'N' \) is \( 5 \) units.
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triangle stv was dilated with the origin as the center of dilation to f…
\(\frac{1}{3}\)
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the measures of the angles of a triangle are shown in the figure below.…
\(x = 40\)
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which statements are true about the trapezoids? choose three correct an…
The length of side \(AD\) is \(8\) units, the length of side \(A'D'\) is \(4\) units, the scale factor is \(\frac{1}{2}\), sides \(CD\) and \(C'D'\) both have the same slope. So t…
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triangle lmn is dilated according to the rule d_0, 2→(2x, 2y) to create…
The coordinates of \( M' \) are \( (2, - 8) \). Plot the point \( (2,-8) \) on the coordinate grid.
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rectangle fghij is dilated according to the rule d_{o,\\frac{1}{3}} to …
The coordinates of the pre - image point \(F\) are \((6,9)\)
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completing proofs involving linear pairs given: ( mangle elg = 124^{cir…
4. linear - pair postulate; 6. \(2x = 56\)
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using linear pairs to find an unknown value what is the value of x? 30 …
45
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which of the following letters does not have a line symmetry, but has a…
Z
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practice with linear pairs and vertical angles. which angles are linear…
\(\angle SRT\) and \(\angle TRV\), \(\angle VRW\) and \(\angle WRS\)
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find the order of rotational symmetry in this shape.
\(3\)
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find the order of rotational symmetry in this shape.
\(2\)
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find the measure of angle a. a = 7 b = 4 c = 8 a = ?° round to the near…
\(30.0^{\circ}\)
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how many lines of symmetry does this trapezoid have?
The trapezoid has \(0\) lines of symmetry.
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find the length of side b. round to the nearest tenth.
\( 25.8 \)
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find the volume of the solid to the nearest cubic centimeter. (assume (…
\(57906\)
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find the volume of the solid to the nearest cubic centimeter. (assume (…
\(18\)
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find the volume of the solid to the nearest cubic centimeter. (assume r…
\(18\)
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find the volume of the solid. 45 × cm³ 1 cm³
\(60\mathrm{cm}^3\)
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what is one of the angles of rotation needed to rotate this octagon ont…
\(135^{\circ}\)
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find the order of rotational symmetry in this shape.
\(6\)
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find the order of rotational symmetry in this shape.
3
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find the area of the shaded region. (assume that given measurements are…
\(96\)
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estimate the area of the figure to the nearest square unit. square unit…
8
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find the length of side a. round to the nearest tenth.
\(10.8\)
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find the length of side a. c = 35° a =? b = round to the nearest tenth.
\(10.8\)
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find the missing side. 13 32° x = ? round to the nearest tenth. remembe…
$6.9$
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if tanθ = \frac{8}{15}, what is sinθ? sinθ = \frac{?}{}
\(\frac{8}{17}\)
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how many lines of symmetry does this trapezoid have?
0
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how many lines of symmetry does the butterfly have?
1
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reflect the vector $\\langle -3,8\ angle$ across the line $y = -x$.
\(\langle -8,3 angle\)
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solve for the missing angle e 85° 50°?
\(45^{\circ}\)
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find the center and foci of the ellipse. 64x² + 100y² + 768x - 600y - 3…
Center \(=(-6,3)\) Foci \(=(-6 + 6,3)=(0,3)\) and \((-6-6,3)=(-12,3)\)
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solve for x. 8x + 2 70° 60°
\(x = 6\)
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put the equation in standard form. $x^{2}+y^{2}-18x + 14y + 9 = 0$ $(x …
\((x - 9)^{2}+(y + 7)^{2}=121\), so the first box is \(9\), the second box is \(7\), and the third box is \(121\)
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find the vertex and focus of the parabola: x² + 6x - 8y + 1 = 0 vertex …
Vertex \(=(-3,-1)\) Focus \(=(-3,1)\)
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solve for x
\(x=-6\)
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solve for the missing angle. b
\(50^{\circ}\)
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solve for the missing angle.
\(30^{\circ}\)
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multiples of 90 multiples of 30 multiples of 45 what are the angles of …
The angles of rotation for a square are \(90^{\circ},180^{\circ},270^{\circ},360^{\circ}\), which are multiples of \(90\).
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what is the center of rotation need to rotate the triangle onto itself?
\( D \)
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given the circle below with chords \\( \\overline { s t } \\) and \\( \…
\(4.4\)
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which of the following shapes show a line of symmetry? select all corre…
The first and the third shapes.
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solve for the missing angle.
\(50^{\circ}\)
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find the order of rotational symmetry in this shape.
\(8\)
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given the circle below with chords ( overline{vw} ) and ( overline{xy} …
\(8.6\)
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solve for the missing angle.
\(105^{\circ}\)
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how many lines of symmetry does this shape have?
0
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which of the following shapes show a line of symmetry?
The first shape (with the vertical dashed line) shows a line of symmetry.
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identify the smallest angle of rotation that maps the image to itself.
\(72^{\circ}\)
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solve for x
\(x = 70^{\circ}\)
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given the circle below with chords \\( \\overline { n o } \\) and \\( \…
\(46.5\)