the sum of circumference and diameter of a circle is 116. find its radius
Answers
Answered by
4
C=pi*d
22d/7+d=116
29d/7=116
d=116*7/29
d=28
r=d/2
r=14
22d/7+d=116
29d/7=116
d=116*7/29
d=28
r=d/2
r=14
Answered by
20
let the radius be 'r'
Diameter = 2r
Circumference = 2πr
ATQ
2πr + 2r = 116
2 x 22/7 x r + 2r = 116
44r/7 + 2r = 116
(44r + 14r)/7 = 116
(58r)/7 = 116
58r = 116 x 7
58r = 812
r = 812/58 = 14
Radius of the Circle is 14 units
Diameter = 2r
Circumference = 2πr
ATQ
2πr + 2r = 116
2 x 22/7 x r + 2r = 116
44r/7 + 2r = 116
(44r + 14r)/7 = 116
(58r)/7 = 116
58r = 116 x 7
58r = 812
r = 812/58 = 14
Radius of the Circle is 14 units
Similar questions