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Circumference/Perimeter
Arcs & Sectors
Area
100
What is the circumference of a circle that has a radius of 8cm?
16pi cm or 50.27cm
100
What is the area of a sector given a central angle of 55 degrees and the area of the circle to be 78.5〖cm〗^2?
11.99〖cm〗^2
100
Calculate the area of a circle given a diameter of 8mm.
16pi mm or 50.27〖mm〗^2
200
Given that the circumference of a circle is 31.42m. Find the radius of the circle.
5m
200
If the area of a sector is 18m^2 and the central angle measures 105 degrees, what is the area of the circle?
61.71m^2
200
Given that the area of a circle is 201.06〖cm〗^2. Find the diameter.
16cm
300
Given that the area of a circle is 113.10〖dm〗^2. Find the circumference.
12pi dm or 37.70dm
300
What is the length of an arc given a circle with a central angle of 75 degrees and a circle with a radius of 9m?
11.78m
300
Given a circle with a circumference of 18.85cm. Calculate the area of the circle.
28.27〖cm〗^2
400
What is the total perimeter of the figure below:
32.57cm
400
What is the area of a sector with a central angle of 140 degrees and a circle with diameter measuring 20dm?
122.17〖dm〗^2
400
Calculate the area of the shaded region:
16pi or 50.28cm^2
500
Given the figure below, find the total perimeter:
15.14m
500
Find the radius of a circle with an arc measuring 12cm and having a central angle of 80 degrees.
8.59cm
500
Calculate the area of the shaded region
15.46m^2