Scale Factor and Dilation on Area and Perimeter

If the scale factor is 4, what is the measurement of x?

• 20 m
• 24 m
• 16 m
• 4 m

Tags

CCSS.7.G.A.1

Square A is a Dilation of Square B. What is the scale factor of the squares?

• 1/7
• 4/5
• 5/4
• 7

Tags

CCSS.8.G.A.3

If a shape is dilated by a scale factor of one-half, what is the resulting perimeter? 

• The same as the perimeter of the preimage
• The new perimeter is bigger than the preimage
• The new perimeter is smaller than the preimage
• The new perimeter is 4 times the original

Tags

CCSS.8.G.A.3

If a rectangle has an area of 48 cm², what would be the area of   a similar rectangle if the dimensions are doubled?

• 96 cm²
• 192 cm²
• 216 cm²
• 2304 cm²

Tags

CCSS.7.G.A.1

• The perimeter of the new rectangle will be the same as the perimeter of the original rectangle.
• The perimeter of the new rectangle will be 2.5 times as large as the perimeter of the original rectangle.
• The perimeter of the new rectangle will be 5 times as large as the perimeter of the original rectangle.

Tags

CCSS.7.G.A.1

If a shape is dilated by a scale factor of one-half, what is the resulting perimeter? 

• The new perimeter is one-half the original
• The new perimeter is 2 times the original
• The new perimeter is one-fourth the original 
• The new perimeter is 4 times the original

Tags

CCSS.8.G.A.3

If a rectangle is drawn and another rectangle is drawn so that the sides are twice as big as the first rectangle, what happens to the area?

• doubles
• triples
• quadruples
• not enough information

Tags

CCSS.7.G.A.1

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

If the shape is dilated by a scale factor of 1/3. What is the new perimeter?

• 12

• 18

• 36

• 9

Tags

CCSS.8.G.A.3

If the shape is dilated by a scale factor 1/2. What is the new area?

• 77

• 38.5

• 12.56

• 9.625

Tags

CCSS.7.G.A.1