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Similarity Problems

Authored by Anthony Clark

Mathematics

10th Grade

CCSS covered

Similarity Problems
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Similar or not?

Similar

Not similar

Answer explanation

These triangles are not similar because the sides are not equally scaled

Tags

CCSS.HSG.SRT.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Similar or not?

Similar

Not similar

Answer explanation

While these shapes have the same sides, the angles are not same

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Similar or not?

Similar

Not similar

Answer explanation

These figures are similar because the sides have all been scaled equally and the angles didn't change from one figure to the other

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Similar or not?

Similar

Not similar

Answer explanation

The sides were not scaled equally

Tags

CCSS.HSG.SRT.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True or false?

Two equilateral triangles are similar

True

False

Answer explanation

Must be true. Dilate the first triangle using any center by a scale factor that is the ratio of the length of sides of the second triangle to the length of the sides of the first. Then apply the Angle-Side-Angle Triangle Congruence Theorem

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Select ALL true statements given that angle AED is congruent to angle ABC

Tags

CCSS.HSG.CO.C.9

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An equilateral triangle and a square are similar

True

False

Answer explanation

Definitely can't be true. Rigid motions and dilations both take line segment to line segments, so the image of a polygon must have the same number of sides.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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