Find the radius and the area of a cirpce its circumference is 18 πcm
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Answered by
1
circumference of circle= 18π cm
2πr =18π
r= 18/2 = 9 cm
area of circle = πr²
= 22/7 x 9 x 9
= 254.571428571428 cm²
2πr =18π
r= 18/2 = 9 cm
area of circle = πr²
= 22/7 x 9 x 9
= 254.571428571428 cm²
Answered by
0
C
=
2
π
r
Solving for
r
r
=
C
2
π
=
18
2
·
π
≈
2.86479
=
2
π
r
Solving for
r
r
=
C
2
π
=
18
2
·
π
≈
2.86479
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