Area and Circumference Circles

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 8322.13
• 1134.11
• 4536.46
• 1267.09

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

The radius is 8 inches.  What is the circumference?

• 50.24 inches
• 25.12 inches
• 12.56 inches
• 200.96 inches

Tags

CCSS.7.G.B.4

The circumference is 62.8 inches.  What is the radius?

• 20 inches
• 10 inches
• 6.28 inches
• 31.4 inches

Tags

CCSS.7.G.B.4

Find the circumference of the circle

• 87.82
• 153.86
• 43.96
• 307.72

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 82.13
• 78.5
• 314.16
• 170.12

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 201.06 square meters

• 50.24 square meters

• 123.12 square meters

• 25.12 square meters

A circle has a diameter of 17 inches. What is the area?

• 26.69 in²

• 226.87 in²

• 72.25 in²

• 53.38 in²

The radius of a circle is ​ (a)   the diameter.

• half
• twice
• triple