Composite Figure With Circles

The diameter of the semicircle is 8 cm. Find the perimeter.

• 25.12 cm

• 33.12 cm

• 20.56 cm

• 100.48 cm

Tags

CCSS.7.G.B.4

Find the perimeter.

• 60 units

• 81.64 units

• 141.64 units

• 74.82 units

Tags

CCSS.3.MD.D.8

Find the area of the composite figure.

• 100 m squared

• 131.4 m squared

• 139.25 m squared

• 178.5 m squared

Answer explanation

Remember, split the composite figure into 2 or more shapes. Find the area of each shape, then add the areas together.

What is the area of this composite shape? (Use 3.14 = π and round to the nearest tenths place)

• 21

• 19.2

• 40.2

• 42

Which shape has more shaded area?

• Shape 1 - one big circle

• Shape 2 - 4 small circles

• They have the same shaded area

What is the Area of this entire composite figure?

• 8.28 in^2

• 16.56 in^2

• 5.57 in^2

• 7.14 in^2

Find the area of each figure, round your answer to nearest whole number.

• 46

• 44

• 42

• 40

What is the area of the shaded region?

• 625

• 134.375

• 490.87

• 228.4

What is the area of the composite figure? (use 3.14 for pi)

• 14 cm²

• 6.28 cm²

• 12.56 cm²

• 20.28 cm²

Find the composite area.

• 6.28

• 24

• 40

• 38.28