Answer:
Step-by-step explanation:
Given: The surface area of a sphere is .
To find: The radius of the sphere.
Solution: It is given that the surface area of a sphere is , thus we have
where r is the radius of the sphere.
⇒
Therefore, the radius of the sphere is 1 inches.
a/c=2/7 u are welcome thanks for ur help
Length =20 m
Breadth =14 m
Perimeter =2(l+b)
2(20+14)=2*34=68 m
Given cost per m =120 rs
Then the total cost =68*120=8160 rs
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