oghoghoidehen38 oghoghoidehen38

02-10-2020
Mathematics

contestada

calculate the area of a circle whose diameter is 156 square

Respuesta :

drhudson drhudson

02-10-2020

7.00
Explanation:
Area of a circle
A
=
π
r
2
, where r is the radius.
Given
A
=
154
,
⇒
154
=
π
⋅
r
2

⇒
r
2
=
154
π
=
49.02
⇒
r
=
√
49.02
=
7.00

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