Semicircle and Quarter Circle Area

• (20 x 20) - (3.14 x 10 x 10)

• (20 x 20) - (3.14 x 20 x 20)

• (3.14 x 10 x 10) - (20 x 20)

• (3.14 x 20 x 20) - (20 x 20)

How do you find the area of the shaded figure?

• Area of square - Area of semicircle

• Area of quarter circle - Area of semicircle

• Area of semicircle - Area of quarter circle

• Area of square - Area of semicircle - Area of quarter circle

What is the area of this semi circle? 

• 100.5 square cm

• 25.1  square cm

• 50.3 square cm

• 12.6 square cm

Find the area of the quarter circle. Round you answer to the nearest hundredth.

• 58.88

• 78.50

• 7.85

• 157.00

Find the area of this quarter circle with a radius of 18 cm.

• 1017.36 cm

• 254.34 cm

• 26.52 cm

• 123.65 cm

Find the area of the semicircle. Round you answer to the nearest hundredth.

• 19.63

• 9.8125

• 9.81

• 39.25

Mrs. Wilson placed the welcome mat shown below on her front door step. What is the area of her welcome mat in square feet? Leave in terms of π.

• 2π

• 8π

• 10π

• 4π

Determine the area of the semicircle above.

Mathematical Equivalence

ON

what is the area of this semicircle ?

• 100.48cm²

• 80cm²

• 200.96cm²

• none of the above

Fins the area of this quarter circle with a radius of 6 cm.

• 56.52 cm

• 113.04 cm

• 28.26 cm

• 37.68 cm