Area and Diameter of a Circle

What is the area of a circle with a radius of 21 cm?

• 1384.74 cm²

• 2142.12 cm²

• 4348.08 cm²

• 1289.12 cm²

Tags

CCSS.7.G.B.4

find the area of the circle below.

• 100 cm

• 225 cm

• 9 cm

• 28.26 cm

Tags

CCSS.7.G.B.4

A line that goes from one end of the circle to the other and crosses the center point.  

• center

• diameter

• dime eater

• radius

Which BEST describes segment AB?

• chord

• secant

• tangent

• diameter

What is the radius of this circle?

• 18

• 10

• 9

• 8

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

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

• 66cm

• 78.5cm

• 66.5cm

• 10m

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 area of this circle?

• 82.13 m²

• 78.50 m²

• 314.16 m²

• 170.12 m²

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