redondolena1123 redondolena1123

02-04-2020
Mathematics

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What is the exact area of a circle with a diameter of 10 cm? a. 5πcm^2 b. 10πm^2 c. 25πcm^2 d. 100πcm^2

Respuesta :

Sarah06109 Sarah06109

02-04-2020

Answer:

C

Step-by-step explanation:

a=[tex]\pi[/tex]r^2

To find the radius, divide the diameter by 2

r=d/2

r=10/2

r=5

a=[tex]\pi[/tex]r^2

a=[tex]\pi[/tex]5^2

a=25[tex]\pi[/tex]

So, choice C is correct

Hope this helps! :)

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