Ratios of Area and Perimeter

What is the perimeter ratio of the following rectangles?

• 6/7
• 6/10
• 3/5
• 7/10

Tags

CCSS.7.G.A.1

The perimeter of one rectangle is 12 units. The perimeter of another rectangle is 20 units. If the area of the SECOND rectangle is 16 square units, what is the area of the first rectangle?

• 5.76 square units
• 9.6 square units
• 26.7 square units
• 44.4 square units

Find the ratio (red to blue) of the area.

• 11/6
• 6/11
• 121/36
• 36/121

Tags

CCSS.6.G.A.1

Find the ratio (red to blue) of the perimeter.

• 9/14
• 14/9
• 196/81
• 81/196

If the ratio of perimeters of 2 triangles is 3:4, and the perimeter of the smaller triangle is 324, what is the perimeter of the larger triangle?

• 81
• 432
• 576
• 243

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

All corresponding angles are congruent in similar figures.

• True
• False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Solve the proportion:

• 4
• 8
• 14
• 10

Find the area.

• 32 in²
• 12 in²
• 32 in
• 4 in²

Tags

CCSS.6.G.A.1

Find the area.

• 42 yd²
• 84 yd²
• 19 yd²
• 5 yd²

Tags

CCSS.6.G.A.1

Multiplying by ¹/₂ is the same as _________.

• Multiplying by 2
• Adding by 2
• Dividing by 2
• Subtracting by 2

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B