Engineering Board Exam Reviewer · Solid Geometry: Cones, Spheres, and Frustums · easy
Find the surface area of a sphere of radius 5.
- 25 π 78.54
- 50 π 157.08
- 100 π 314.16
- 500 π/3 523.6
Answer
C. 100 π 314.16
Solution
S=4π r2=4π(25)=100π 314.16.
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