the difference between the circumference and diameter of a circle is 150m.what is the radius of that circle
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2
Answer:
- diameter is 150m.diameter mean 2 halfs of radius .150/2.
- 150/2=75.
- 75 is the radius.
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6
Circumference=2πr
Diameter=2r
difference between circumference and diameter=150m
2πr-2r=150
2r(π-1)=150
r(π-1)=75
r=75/(π-1)
r= 75/{(22/7)-1}
r=75/(15/7)
r=7×75/15=7×5
r= 35m
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