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Similarity Understanding

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Similarity Understanding
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is Triangle ACB similar to triangle DCE?

No, I can't show that 2 corresponding angle pairs are congruent.

Yes, because if I subtract 180 - (21+36) ACB is 123, so I have two pairs of congruent angles for AA Similarity.

Tags

CCSS.HSG.SRT.B.5

2.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

Finish the following similarity statement: Figure DEFGHI ∼ Figure ​ (a)  

DEFGHI

D'E'F'G'H'I'

ABCDEF

A'B'C'D'E'F'

Tags

CCSS.HSG.SRT.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

ΔABC is a right triangle with the dimensions shown. Which of the following figures is similar to ΔABC?

FIGURE A

FIGURE B

FIGURE C

FIGURE D

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Are these figures similar?

yes

no

i don't know

not enough information

Tags

CCSS.HSG.SRT.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Are these two triangles similar? Why or why not?

Yes, they are both triangles

Yes, they both have right angles

No, they only have one congruent angle

No, they look different

Tags

CCSS.HSG.SRT.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

These triangles are...

Similar by AA∼

Similar by SAS∼

Congruent by SAS≅

Not Similar

Tags

CCSS.HSG.SRT.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Are the triangles similar?

Yes

No

Tags

CCSS.HSG.SRT.A.2

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