Circles

What is the area of this circle?

• 31.42 m²

• 78.54 m²

• 314.26 m²

• 170.12 m²

Tags

CCSS.7.G.B.4

The diameter of the face-off circle on an ice-hockey rink is 30 feet. Find its area.

• 47.1 ft²

• 94.2 ft²

• 2827.4 ft²

• 706.9 ft²

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 113.1 cm²

• 18.8 cm²

• 9.4 cm²

• 28.27cm²

Tags

CCSS.7.G.B.4

Serena drew a circle with a circumference of 157 centimeters.  What is the approximate diameter of the circle she drew?

• 1.57 cm
• 15.7 cm
• 50 cm
• 25 cm

Tags

CCSS.7.G.B.4

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

• 25.13 cm²

• 12.57 cm²

• 50.27 cm²

• 201.06 cm²

Tags

CCSS.7.G.B.4

A clock face has a diameter of 10 inches. What is the approximate area of the clock face in square inches?

• 314 in²
• 31.4 in²
• 7.85 in²
• 78.5 in²

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68mm
• 18.84 mm

• 78.5 mm

• 39.3 mm

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

• 78.5 cm

• 15.7 cm

• 7.85 cm

• 19.6 cm

Tags

CCSS.7.G.B.4

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

• 16π cm²

• 8π cm²

• 4π cm²

• 36π cm²

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 8322.13 cm²
• 1134.11 cm²

• 4536.46 cm²
• 1267.09 cm²

Tags

CCSS.7.G.B.4