Question

if the angular measure of an arc is 36degree and it's length is 10 cm, then what is the circumference of the circle?​

Answer 1

1. Divide the given angle by 360 deg.

2. Multiply this fraction with the expected circumference I. e. 2πr

3. Equate this to the given length and calculate the value of the only variable "r"

ans. r=50/π

Answer 2

CIRCUMFERENCE OF THE CIRCLE= 36/360×2×22/7×10

=44/7

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