Question

If the circumference of the circle is 28 cm find area of the circle py =3.142

Answer 1

Answer:

we know that c=2πr

in the question, we have,

c=28

28=2*3.142*r(unknown)

14=3.142*r

4.557=r

now to find the area we have

radius = 4.557

area = π$r^{2}$

area  = 3.142*4.557*4.557

=3.142*20.766

=65.246$cm^{2}$

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