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Byju's Answer
Standard VII
Mathematics
Circumference of a Circle
Work out the ...
Question
Work out the area the circumference of each circle. Give your answers correct to one decimal place (1 d.p)
Radius = 15 cm
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Solution
C
=
2
π
r
=
2
×
3.14
×
15
=
94.2
cm
A
=
π
r
2
=
(
3.14
)
×
(
15
)
2
=
706.5
c
m
2
.
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