Unit 3 Lesson 12 Practice Problems

Quadrilateral ABCD is similar to quadrilateral A'B'C'D'. Select all statements that must be true.

• A

• B

• C

• D

• E

Tags

CCSS.HSG.SRT.A.2

Lines BC and DE are both vertical. What is the length of AD?

• 7 Units

• 7.5 Units

• 8 Units

• 8.5 Units

Tags

CCSS.6.G.A.3

The quilt is made of squares with diagonals. Side length AB is 2.

What is the length of BD?

• 2 units

• 2.83 units

• 3 units

Tags

CCSS.8.G.B.8

The quilt is made of squares with diagonals. Side length AB is 2.

What is the area of triangle AEH?

• 2 square units

• 1/2 square units

• 3 units

• 1 square unit

Tags

CCSS.6.G.A.1

• 4

• 10

• 10.5

• 3.5

Tags

CCSS.HSG.SRT.B.4

Mai thinks knowing the measures of 2 sides is enough to show triangle similarity. Do you agree? Explain or show your reasoning.

• Mai is correct because 2 sides is enough information.

• Mai is not correct because the third said may not be proportional to the other two sides.

Tags

CCSS.HSG.SRT.B.5

Line g is dilated with a center of dilation at A. The image is line f. Approximate the scale factor.

• 1/2

• 1

• 1.5

• 2

Tags

CCSS.8.G.A.3