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

Tags

CCSS.7.G.B.4

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

• 58.88

• 78.50

• 7.85

• 157.00

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

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

• 19.63

• 9.8125

• 9.81

• 39.25

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

Determine the area of the semicircle above.

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4

what is the area of this semicircle ?

• 100.48cm²

• 80cm²

• 200.96cm²

• none of the above

Tags

CCSS.7.G.B.4

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

Tags

CCSS.HSG.C.B.5