The ratio of the diameters of two circles is 1 : 2. Find the ration of their areas.
Answers
Answered by
0
Answer:
1/4:1
Step-by-step explanation:
Diameter = 2 × radius.
Thus, ratio of diameter = ratio of radius
∴ ratio of radius =1:2
Area of a circle =πr ^2
∴ ratio of the area =r 1:r2
Similar questions