WorksheetsArea and Circumference of Circles
Total questions: 24
Worksheet time: 50mins
what is the area of a circle with the diameter of 10cm ? Round your answer to the nearest tenth.
66cm
78.5cm
66.5cm
10m
A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?
c = π15
C = 2π15
c = 15 ÷ π
c = 15 π2
The stained glass window is a semicircle. What is the distance around the window?
40.82 inches
66.82 inches
81.64 inches
107.64 inches
Find the circumference of a circle with a diameter of 11 millimeters. Round your answer to the nearest tenth.
34.6 mm
30 mm
25.3 mm
34.54 cm
What is the circumference of this circle in terms of π?
3.14 cm
12π
24π
68.4 cm
The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy? Round your answer to the nearest whole number.
56.25 ft
246 ft
365 ft
393 ft
A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area in terms of π?
31π m2
29π m2
30π m2
9π m2
Find the radius of a circle that has a circumference of 12.6 yards.
radius = 3 yd
radius = 2 yd
radius = 5.5 yd
radius = 9 yd
Mrs. Von Voigt made an apple pie and is serving it on a circular dish with a diameter of 13 inches. She wanted to tie a ribbon around the dish to make it a little more decorative for her sons birthday. She needs to figure out how long the ribbon should be so that it can fit around the dish. Should she calculate the area of the circular dish or the circumference?
Ms. Van Voigt should calculate the area
Ms. Van Voigt should calculate the circumference
How many square inches of crust would it take to cover the bottom of a pie dish with a 15 inch diameter?
176.7 square inches
200 square inches
152.3 square inches
345.2 square inches
The circumference of a circle is 30π. What is the area of the circle?
35π
225π
100π
45π
