Area/Circumference of Circles

Find the area of the circle, round to nearest tenth:
r = 12 in

• 452.2 in²
• 45.2 in²
• 113.0 in
• 450 in²

Tags

CCSS.7.G.B.4

Find the area of the circle, round to nearest tenth:
r = 15 cm

• 70.65 cm²
• 706.5 cm²
• 176.6 cm²
• 705 cm²

Tags

CCSS.7.G.B.4

Find the area of the circle, round to nearest tenth:
r = 5 m

• 7.85 m²
• 19.6 m²
• 78.5 m²
• 77 m²

Tags

CCSS.7.G.B.4

Find the area of the circle, round to nearest tenth:
r = 2.6 ft

• 2.12 ft²
• 22 ft²
• 5.3 ft²
• 21.2 ft²

Tags

CCSS.7.G.B.4

Find the area of the circle, round to nearest tenth:
r = 18 yd

• 1017.4 yd²
• 10.174 yd²
• 1020 yd²
• 254.3 yd²

Tags

CCSS.7.G.B.4

Find the area of the circle, round to nearest tenth:
r = 7 mm

• 15.39 mm²
• 153.9 mm²
• 38.5 mm²
• 155 mm²

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 33 ft?

• 207.2 ft
• 197.2 ft
• 217.2 ft
• 227.2 ft

Tags

CCSS.7.G.B.4

What does C represent in the formula:

C = π·d

• Pi

• Circumference

• Diameter

• Area

Tags

CCSS.7.G.B.4

What does d represent in the formula:

C = π·d

• diameter

• radius

• pi

• 3.14

Tags

CCSS.7.G.B.4

What is the diameter of a circle?

• the distance around a circle

• the area of a circle

• halfway through a circle

• a line through the center of a circle

Tags

CCSS.HSG.C.A.2