princessganglol princessganglol

09-05-2021
Mathematics

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PLZ help me with no links

The circumference of a circle is 21π cm. What is the area, in square centimeters? Express your answer in terms of pi.

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triumphquest triumphquest

09-05-2021

Answer:

110.25π sq cm

Step-by-step explanation:

circumference 2πr= 21π cm

so r = 21/2= 10.5 cm

area of circle = πr^2

=π (10.5)^2

=110.25 sq cm

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