Physics, asked by avikgoyal206, 12 days ago

calculate area of a circle whose diameter is 42km

Answers

Answered by attitudequeen0

0

1385.44km^2

hope it's help you

Answered by dkrakhi21

1

Explanation:

Using the formulas

A

=

π

r

2

d

=

2

r

Solving for

A

A

=

1

4

π

d

2

=

1

4

·

π

·

42

2

≈

1385.44236

cm²

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