diameter of a circle is 1.4 m how many rotation will it take at 1.1 km
Answers
Answered by
0
d=1.4
r=0.7
perimeter=2×22÷7×0.7
=4.4m
1.1km=1100m
n×4.4=1100
n=250 revolution
r=0.7
perimeter=2×22÷7×0.7
=4.4m
1.1km=1100m
n×4.4=1100
n=250 revolution
Answered by
1
d=1.4
r=1.4/2=0.7
circumference= 2pier
2*22/7* 0.7=4.4m
no. of rotation=1.1*1000m=1100m
1100/4.4=250
.
r=1.4/2=0.7
circumference= 2pier
2*22/7* 0.7=4.4m
no. of rotation=1.1*1000m=1100m
1100/4.4=250
.
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