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What is the radius of a circle with an area of 78.5 square inches?

Use 3.14 for pi

User Eyllanesc
by
8.2k points

1 Answer

3 votes

Explanation:

Let the radius of circle be r

Area of circle =

2

πr

2

Area of circle =

3.14

×

2

3.14×r

2

We are given that an area of 78.5 square inches

So,

3.14

×

2

=

78.5

3.14×r

2

=78.5

2

=

78.5

3.14

r

2

=

3.14

78.5

2

=

25

r

2

=25

=

25

r=

25

r=5

Hence The radius of circle is 5

User PRIHLOP
by
7.9k points

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