Compound Shapes Check In

The distance from a circle to its center

• area

• diameter

• circumference

• radius

what is the area of this semicircle ?
d = 8 cm 

• 100.48 cm²
• 80 cm²
• 200.96 cm²
• 25.12 cm²

Calculate the area of the quarter circle.

A=πr²

• 100.48 cm²

• 50.24 cm²

• 200.96 cm²

• 25.12 cm²

The area of the rectangle is ​ ​ (a)   .

The area of the semicirlce is ​​ (b)   .

The area of the composite figure is ​ ​ (c)   .

• 32
• 25.12
• 57.12
• 24
• 50.24
• 82.24
• 74.24

• 329.04 ft²

• 216 ft²

• 668.39 ft²

• 272.55 ft²

What is the area of the shaded region?

• 16 cm²

• 12.9 cm²

• 22.4 cm²

• 15.8 cm²