kyleefisher kyleefisher

15-04-2020
Mathematics

contestada

The diameter of a circle is 10 meters what is the area of the circle A 31.4m2 B 62.8m2 C 78.5m2 D 125.6m2

Respuesta :

kinjec1 kinjec1

15-04-2020

Answer:A31.4m

Step-by-step explanation:

a.31.4m

Answer Link

wegnerkolmp2741o wegnerkolmp2741o

15-04-2020

Answer:

A =78.5 m^2

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

The radius is found from the diameter

r = d/2 = 10/2 =5

We can approximate pi by

A = 3.14 (5)^2

A = 3.14 *25

A =78.5 m^2

Answer Link

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