find the diameter of a circle whose circumference is 242cm
Answers
Answered by
7
2πr=242 cm
=> 2×22÷7×r = 242
=>r= 38.5
therefore radius= 38.5 cm
=>77cm
=> 2×22÷7×r = 242
=>r= 38.5
therefore radius= 38.5 cm
=>77cm
Answered by
13
Given:
circumference = 242 cm
diameter = ?
circumference = 2πr
ie 2πr = 242
r = 242 x 7 / 22 x 2
= 38.5 cm
Therefore d = 2 x 38.5
= 77 cm
Hope this helps.....
circumference = 242 cm
diameter = ?
circumference = 2πr
ie 2πr = 242
r = 242 x 7 / 22 x 2
= 38.5 cm
Therefore d = 2 x 38.5
= 77 cm
Hope this helps.....
Similar questions