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Popular Word Problems >

A circle has a diameter of 20 cm. a. What part of the circle do you need to find in order to calculate the area inside the circle?

Solution

A c i rc l e ha s a d iam e t er o f 20 c m . a . Wha t p a r t o f t h e c i rc l e d o yo u n ee d t o f in d in or d er t o c a l c u l a t e t h e a re a in s i d e t h e c i rc l e ?

Solution

a re a : 100 π c m^{2}

+1

Decimal

314.15926 \dots

Solution steps

Given:

d iam e t er : 20 c m

Circle Area given

d = 20 : A = 100 π

a re a : 100 π c m^{2}

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