Dilations and Angles

If a triangle is dilated with a scale factor of 0.5, what will be the new area of the triangle if the original area was 24 square units?

• 12 square units

• 6 square units

• 18 square units

• 30 square units

Tags

CCSS.7.G.A.1

If a triangle is dilated with a scale factor of 2, what will be the new perimeter of the triangle if the original perimeter was 18 units?

• 36 units

• 30 units

• 12 units

• 24 units

Tags

CCSS.7.G.A.1

A square is dilated with a scale factor of 4. If the original area was 16 square units, what is the new area?

• 32 square units

• 64 square units

• 256 square units

• 48 square units

Tags

CCSS.7.G.A.1

What is the scale factor?

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?

• A'(9,9) B'(18,18) C'(27,9)

• A'(6,6) B'(9,9) C'(12,6)

• A'(0,0) B'(3,3) C'(6,0)

• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3

Solve for the value of x.

• 64

• 75

• 90

• 80

Tags

CCSS.7.G.B.5

Solve for the value of x.

• 30

• 20

• 110

• 120

Tags

CCSS.7.G.B.5

If the scale factor is greater than 1, the dilation is...

• an enlargement

• a rotation

• a translation

• a reduction

Tags

CCSS.8.G.A.3

If the scale factor is less than 1, the dilation is...

• an enlargement

• a translation

• a rotation

• a reduction

Tags

CCSS.8.G.A.3

What scale factor was used to produce the image (after a dilation from the origin)?

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.8.G.A.3