AlliyahMachelle AlliyahMachelle

04-03-2021
Mathematics

contestada

What is the area of the top surface of a circular manhole cover that has a diameter of 60 centimeters?

Respuesta :

rayhanshabir2006 rayhanshabir2006

04-03-2021

Answer:

A≈2827.43cm²

Step-by-step explanation:

A≈2827.43cm²

d Diameter

60

Using the formulas

A=πr2

d=2r

Solving forA

A=1

4πd2=1

4·π·602≈2827.43339cm²

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