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I need help with these two problems ASAP. Please show your work:)

I need help with these two problems ASAP. Please show your work:)-example-1
User ItsLydt
by
6.6k points

1 Answer

4 votes

The formula for the circumference of a circle is
\pi d.

In a:

The radius is 8 cm.

Therefore the diameter (d) would be 16cm (8 * 2)

Hence, the circumference is
16\pi

In b:

The diameter is already given: 13 in.

Thus, the circumference is
13\pi =40.84 (2dp)

User Amit Tandel
by
7.5k points