Find Area of a Circle with the Radius or Diameter

find the area of the circle with radius 3 cm below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Tags

CCSS.7.G.B.4

What is the approximate area of a circle with a diameter of 12?

• 36π

• 113.04

• 18.84

• 12

Tags

CCSS.7.G.B.4

If my diameter is 19 inches, what is my radius?

• 38 inches

• 9.5 inches

• 59.66 inches

• 119.32 inches

Tags

CCSS.7.G.B.4

What is the area of this circle?
d = 8cm

• 16π

• 8π

• 4π

• 36π

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 452.39

• 139.12

• 113.1

• 84.23

Tags

CCSS.7.G.B.4

What is the area of the circle shown? Round your answer to the nearest tenth.

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 radius of this circle?

• 140

• 35

• 70

• 490

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 9.75 mm

• 19.5 mm

• 4.875 mm

• 30.615 mm

Tags

CCSS.7.G.B.4

If my radius is 10ft, what is my diameter?

• 20ft

• 5ft

• 31.4ft

• 62.8ft

Tags

CCSS.7.G.B.4