Finding the Area of Composite Figures

In finding area of composite figures, we find the sum of the areas of the different figures that are combined together.

• True

• False

Tags

CCSS.3.MD.C.7D

value of pi

Tags

CCSS.HSG.GMD.A.1

1/2 area of a circle

area of triangle

• bh

• lw

Tags

CCSS.6.G.A.1

formula of radius

• r = D/2

• r = D * 2

Tags

CCSS.7.G.B.4

area of the square

• s * s

• 1/2 * s

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

A rectangle has a length of 7 cm and width of 12 cm. A triangle has a height the same measure as the length of the rectangle. The sum of their bases is 15 cm. What is the area of the given composite figure?

• 103 cm sq.

• 105 cm sq.

Tags

CCSS.6.G.A.1

There are two circles. The outer circle consists of a 5 cm radius while the inner circle consists of a 2 cm radius. What is the area of the composite figure?

• 91.06 cm sq.

• 90.06 cm sq.

A triangle on top of a rectangle has a height of 6 cm. The length of the rectangle is 4 cm. The figure's base is 12 cm wide. What is the area?

• 71 cm sq.

• 72 cm sq.

Tags

CCSS.6.G.A.1

A shaded square has a width of 15 cm and a length of 20 cm. Inside the square is a circle with a diameter of 10 cm. What is the area of the shaded figure?

• 221.5 cm sq.

• 220.5 cm sq.