Add Areas

How do you find the area of the smaller shape?

• Multiple by 5

• Divide by 5

When I have the scale factor, how do I use it to find the area?

• Square root it and the multiply by area given

• Square it and the multiply by area given

• Double it and the multiply by area given

• Multiply it by area given

What is the Area?

• 100

• 10

• 500

• 44.7

The side lengths of two similar solids are in the ratio 1:3

What is the ratio of the areas?

• 1:9

• 1:27

• 1:6

• 1:18

The side lengths of two similar solids are in the ratio 1:2

What is the ratio of the areas?

• 1:4

• 1:8

• 2:4

• 2:8

The side lengths of two similar solids are in the ratio 2:5

What is the ratio of the areas?

• 4:25

• 8:125

• 2:25

• 4:125

The side lengths of two similar solids are in the ratio 3:2

What is the ratio of the areas?

• 9:4

• 27:8

• 9:2

• 27:9

What is the area of the bigger rectangle in the figure?

• a. 40 sq. cm.

• b. 80 sq. cm.

• c. 32 sq. cm.

• d. 16 sq. cm.

Find the area of the shaded region. (Use 3.14 for pi.)