Evaluate -(a + b), given values a = -4, b = - 12.
2 answers:
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Answer:
The Surface area of the moon is
Step-by-step explanation:
Given:
Diameter of the moon = 3.8 x 10 to the 8th
To Find :
The surface area of the moon = ?
Solution:
The moon is in the shape of of the sphere .
So the surface area of the moon = surface area of the sphere
The surface area of the sphere =
Where r is the radius of the sphere
Radius , r =
r =
r =
Now the surface area of the moon with radius r = is
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