Are these triangles similar? Angles in Triangle 1: 40⁰,60⁰, and 80⁰ Angles in Triangle 2: 40⁰,50⁰, and 90⁰

There is not enough information to decide.

Describe the similarity transformation that maps WXY to ABC (dilations have a center at the origin)

dilation with a scale factor of 1/3 followed by a reflection in the y-axis

dilation with a scale factor of 1/3 followed by a reflection in the x-axis

dilation with a scale factor of 3 followed by a reflection in the y-axis

dilation with a scale factor of 3 followed by a reflection in the x-axis

After a composition of transformations, the coordinates A(4,2), B(4,6), and C(2,6) become A″(−2,−1), B″(−2,−3), and C″(−1,−3), as shown on the set of axes below. Which composition of transformations was used?

Dilated by a scale factor of 1/2 then rotated 180

Rotation of 180 then dilated by a scale factor of 2

Rotation of 90 clockwise then dilated by a scale factor of 2

Dilated by a scale factor of 1/2 then rotated 90 clockwise

Geometry RSS W4 Similarity Criteria

Authored by Laina Beale

Mathematics

9th - 12th Grade

CCSS covered

Used 204+ times

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MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tell whether the triangles are similar or not.

Tags

CCSS.HSG.SRT.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tell whether the triangles are similar or not.

Tags

CCSS.HSG.SRT.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the missing side using proportions.

Tags

CCSS.HSG.SRT.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the missing side using proportions.

Tags

CCSS.HSG.SRT.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the value of x using proportions.

Tags

CCSS.HSG.CO.C.9

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the value of x using proportions.

Tags

CCSS.HSG.SRT.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The triangles are similar by...

SAS

ASA

SSS

Tags

CCSS.HSG.SRT.B.5

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Geometry RSS W4 Similarity Criteria

Tell whether the triangles are similar or not.

Tell whether the triangles are similar or not.

Find the missing side using proportions.

Find the missing side using proportions.

Find the value of x using proportions.

Find the value of x using proportions.

The triangles are similar by...

The triangles are similar by...

The triangles are similar by...

Are these triangles similar?Angles in Triangle 1: 40⁰,60⁰, and 80⁰Angles in Triangle 2: 40⁰,50⁰, and 90⁰

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Are these triangles similar?
Angles in Triangle 1: 40⁰,60⁰, and 80⁰
Angles in Triangle 2: 40⁰,50⁰, and 90⁰