Area of a Circle

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

Tags

CCSS.7.G.B.4

What is the area of a circle with a diameter of 10 cm ?

• 31.4 cm²
• 78.5 cm²
• 15.7 cm²
• 314 cm²

Tags

CCSS.7.G.B.4

What is the formula for area of a circle given the radius?

• A = πr
• A = 2πr
• A = πd
• A = πr²

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 1256.64
• 31.41
• 314.16
• 123.12

Tags

CCSS.7.G.B.4

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

Tags

CCSS.7.G.B.4

Jennifer painted a tabletop that is shaped like a circle. The radius of the tabletop is 6 feet. Which measurement is closest to the area of the tabletop in square feet?

• 18.84 ft

• 37.68 ft

• 452.16 ft

• 113.04 ft

What is the area of the circle in square feet?

• 254.34 ft

• 56.52 ft

• 28.26 ft

• 1,017.36 ft

A circular rail-road crossing sign has a diameter of 16 inches.

Which measurement is closest to the area of the sign in square inches?

• 25.12 in

• 50.24 in

• 200.96 in

• 803.84 in