XtraStudy Header

Question

Q1. The ratio of the radius of two circles is 2 : 5. Find the ratio of their areas.

3 : 7

9 : 49

2 : 5

4 : 25

Accepted Answer

Answer : 4 : 25

Ratio of their areas = 2² : 5² = 4 : 25

♥ In any 2-D figures , if the corresponding sides are in the ratio x : y, then their areas are in the ratio x² : y².
⚔ DISCUSS

Explore

Explore

About

App Link

Others

Register Now