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WorksheetsSolving Circle Problems
Total questions: 10
Worksheet time: 10mins
The circumference of a circle is 36.31 meters. What is the approximate length of the radius? Use 3.14 for π.
3 m
4 m
5 m
6 m
The circumference of a circle is 18.41 feet. What is the approximate length of the radius? Use 3.14 for π.
3 ft
5 ft
7 ft
8 ft
The radius of a birthday cake is 4 inches. Icing will decorate the circumference of the cake. What procedure can be used to find the approximate circumference of the cake? Use 3.14 for π.
Multiply 4 by 3.14.
Multiply 4 by 2, and then multiply the product by 3.14.
Multiply 4 by 4, and then multiply the product by 3.14.
Divide 4 by 2, and then multiply the quotient by 3.14.
What is the approximate area of the circle above? Answer in 1 decimal places.
44 inches squared
154 inches squared
616 inches squared
The diameter of a circle is 8 cm. What is the approximate area of the circle?
25 cm squared
50 cm squared
201 cm squared
