Math, asked by nounSweety1, 1 year ago

Plz solve my ticked problems. plz solve it...

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Answered by Pranjal123456

C1 = 2πr1 and C2= 2πr2
Dividing both we get
C1/C2 = r1/r2
therefore the ratio of their circumference will also be 2:5
Answer for 3rd question
D= 77cm
1 revolution = Circumference
Circumference = πD= 22x77/7=242cm
121 km = 12100000cm
242cm = 1revolution
12100000= 12100000/242
= 50000revolutio

nounSweety1: Is it surely correct

Pranjal123456: Yes

nounSweety1: tq

nounSweety1: thank u

Pranjal123456: welcome

nounSweety1: no mention

Pranjal123456: I answered your last question also. Please see that.

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