Question

The diameter of a circle is 13 cm. Find the circumferenceto the nearest tenth.

Answer 1

The diameter of a circle is 13 cm

Find the circumference (c) to the nearest tenth

c= 2 π r

diameter= 2r= 13

c= π d

c= π x 13

c= π x 13

π= 3. 14

c= 3.14 x 13

c= 40.82 cm

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