Question

Two sectors of circles of radius 10 centimetre and 21 CM respectively 120 degree and 40 degree find the ratio of areas of Two Sectors?

Answer 1

thanks for asking the question
100/147
or
0.68:1

Answer 2

Correct answer : 300 / 441. 0.68 in decimal.

Tip : Whenever you get question of ratio always divide before finding the area. I mean instead of finding area of the sectors individually divide (theta / 360) πr²