the circumference of the two circle are in the ratio of 4 : 5 find the ratio of the area
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- Answer:16 : 25
- Step-by-step explanation:
- 2πr1
- ----- = 4/5
- 2πr2
- r1/r2 =4/5
- put the value of ratio of r1/r2. in area formula
- πr^2
- ------- =r1^2/r1^2
- πr^2
- (4)^2/(5)^2
- 16/25
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