Area of all kinds of circles

What is the area of this semi circle?

• 100.55 square cm

• 25.12 square cm

• 15.3 square cm

• 12.6 square cm

what is the area of this semicircle ?

d = 8 cm

Remember what you need for your formula, diameter isn't it.

• 10.48 cm²

• 18 cm²

• 20.96 cm²

• 25.12 cm²

Find the area of the quarter circle.

• 58.88 cm²

• 78.5 cm²

• 84.6 cm²

• 157 cm²

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

• 56.52 cm²

• 113.04 cm²

• 28.26 cm²

• 37.68 cm²

• 39.25 ft²

• 78.5 ft²

• 44.2 ft²

• 25.12 ft²

What is the formula for finding the area of a semi-circle?

• A = π r²

• C = π r²

• A = 2 π r

Find the area of the semi-circle. Use 3.14 for pi.

• 28.26 square yards

• 18.84 square yards

• 14.13 square yards

Find the area of the semi-circle. Use 3.14 for pi.

d = 8 cm

• 100.48 cm²

• 80 cm²

• 200.96 cm²

• 25.12 cm²

Find the area of the semi-circle. Use 3.14 for pi. The diameter is 2 mm.

• 6.28 square millimeters

• 1.57 square millimeters

• 3.14 square millimeters

Find the area of the semi-circle. Use 3.14 for pi. The diameter is 4 miles.

• 6.28 square miles

• 25.12 square miles

• 12.56 square miles