oghoghoidehen38 oghoghoidehen38

02-10-2020
Mathematics

contestada

calculate the area of a circle whose diameter is 156 square

Respuesta :

02-10-2020

Answer:

A = πr^2

r= d/2 =156/2 =78

S = 245.04m^2

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Sp1cyRamen Sp1cyRamen

02-10-2020

since the formula of area of a circle is A=pi r^2 and the diameter is 156 so divide that by 2 and the radius is 78. 78 squared is 6,084 then you times that by pi (3.14 simplified) which is 19,103.76. so final answer is 19,103.76

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