IM 8th Grade Unit 2 Review

Shapes that are the same shape and the same size are ________.

• similar
• unique
• congruent
• corresponding

Tags

CCSS.8.G.A.2

Identify the corresponding parts

• Side JL and Side ST
• Angle L and Angle S
• Side JK and Side UT
• All of the above

Tags

CCSS.8.G.A.2

CCSS.8.G.A.5

Find the value of x. 

• 80
• 261
• 100
• 280

Tags

CCSS.8.G.A.5

Select ALL that apply.

In order for images to be similar to each other,

• all angles must stay congruent

• the new image must get bigger

• you add the same number to all side lengths

• all side lengths must increase or decrease by the same scale factor

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

CCSS.8.G.A.5

Rectangle A measures 15 cm by 5 cm. Rectangle B is a scaled copy of Rectangle A. Select all of the measurement pairs that could be the dimensions of Rectangle B.

• 3 cm by 1 cm

• 7.5 cm by 2.5 cm

• 20 cm by 10 cm

• 45 cm by 15 cm

Tags

CCSS.8.G.A.4

What is the scale factor going from the smaller polygon, to the larger polygon?

• 1

• 1.5

• 2

• 2.5

• 3

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

What is the scale factor going from the larger triangle to the smaller triangle?

• 1/3

• 1/2

• 1

• 1 1/2

• 2

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

CCSS.8.G.A.5

Given the following image with the center of dilation shown, what is my scale factor from the small trapezoid to the big trapezoid?

• 1/2

• 1

• 1 1/2

• 2

• 2 1/2

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Tags

CCSS.8.G.A.3

Are these triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2