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Geometry | Unit 3 | Lesson 8: Are They All Similar? | Practice Problems

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Mathematics

6th Grade

Geometry | Unit 3 | Lesson 8: Are They All Similar? | Practice Problems
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8 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

This is an invalid proof that all isosceles triangles are similar. Explain which step is invalid and why.

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement provides a valid justification for why all circles are similar?

All circles have the same shape—a circle—so they must be similar.

All circles have no angles and no sides, so they must be similar.

I can translate any circle exactly onto another, so they must be similar.

I can translate the center of any circle to the center of another, and then dilate from that center by an appropriate scale factor, so they must be similar.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pair of polygons is similar?

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B

C

D

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Determine if each statement must be true, could possibly be true, or definitely can't be true. Explain or show your reasoning. Two equilateral triangles are similar.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

An equilateral triangle and a square are similar.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

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