Area and Circumference of Circles
31.4 in.
Find the circumference of a circle with a diameter of 10 inches. Use 3.14 for π.
78.5 in.|
Find the circumference of a circle with a radius of 12.5 inches. Use 3.14 for π.
12 cm
Find the diameter of a circle when C= 12π cm.
85 m
Find the diameter of a circle with C = 266.9 m. Use 3.14 for π.
4 m
Find the radius of a circle when A = 16π meters.
9 in
Find the radius of a circle when A = 254.34 in². Use 3.14 for π.
3 in
Find the radius of a circle when C= 18.84 in. Use 3.14 for π.
153.9 in.
What is the area of a circle with a diameter of 14 inches? Use 3.14 for π.
452.4 in.
What is the area of a circle with a radius of 12 inches? Use the π key on your calculator and round to the nearest tenth.
8 ft
Find the radius of a circle with a Circumference of 50.24 ft. Use 3.14 for π.
16 in
Find the diameter of a circle when A = 64π inches.
14π in.
What is the circumference of a circle with a radius of 7 inches? Leave in terms of π.
30
What is the diameter if the radius is 15?
7.5
What is the radius if the diameter is 15?