Area of Circles, Sectors, and Regular Polygons

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:
d = 12 ft

• 11.3 ft²
• 452.2 ft²
• 113.0 ft²
• 115 ft²

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

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

If my radius is 2 yd what is the circumference?

• 4 yd
• 1 yd
• 12.56 yd
• 6.28 yd

Tags

CCSS.7.G.B.4

If my diameter is 90cm, what is my circumference?

• 282.6cm
• 180 cm
• 90cm
• 565.2cm

Tags

CCSS.7.G.B.4

What is the circumference 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

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

Find the circumference of the circle

• 21.98
• 153.86
• 43.96
• 615.44

Tags

CCSS.7.G.B.4