Mathematics, 03.02.2020 21:56 rayden62

Mackenzie knows the surface area of a sphere. which explains how she can find the surface area of a hemisphere with the same radius?
a. divide the surface area of the sphere by 2, and add the area of the base of the hemisphere.
b. multiply the surface area of the sphere by 2, and add the area of the base of the hemisphere.
c. divide the volume of the sphere by 2.
d. multiply the volume of the sphere by 2.

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