Circles: Radius, Diameter, Area, and Circumference
36 yd
Diameter =
8 ft
Diameter =
8 in
Diameter =
Radius
Diameter or Radius
Diameter
Diameter or Radius?
Radius
Diameter or Radius?
Radius
Measurement from the curve of the circle to a center point
1 ft
Radius =
13 yd
Radius =
15 ft
Radius =
19 in
Radius =
2 ft
Radius =
20 ft
Radius =
105.6 m squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
113.0 ft squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
128.6 m squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
13.8 in squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
167.3 km squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
254.3 m squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
28.3 in squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
379.9 km squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
415.3 miles squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
43.0 in squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
444.7 cm squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
55.4 m squared
What is the area of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
47.1 ft
What is the circumference of this circle? Round your answer to the nearest tenth. Use 3.14 for pi.
25.12 cm
What is the circumference of this circle? Use 3.14 for pi.
25.12 km
What is the circumference of this circle? Use 3.14 for pi.
31.4 m
What is the circumference of this circle? Use 3.14 for pi.
37.68 yd
What is the circumference of this circle? Use 3.14 for pi.
43.96 km
What is the circumference of this circle? Use 3.14 for pi.
56.52 yd
What is the circumference of this circle? Use 3.14 for pi.
69.08 ft
What is the circumference of this circle? Use 3.14 for pi.
diameter
measurement from curve to curve of a circle, through a center point
16 ft
Diameter =
20 yd
Diameter =
