
Tofind:The surface area of the given pyramid.

Answer to Problem 3BCYP
The surface area of the given pyramid is 97.5 inch2.
Explanation of Solution
Given information:
The pyramid is shown in Figure-1 here
Formulaused:
The surface area of pyramid is given by
Calculations:
The base of the given pyramid is a pentagon with each equal side 4 inches.
The perimeter of the base of pyramid is
The area of the pentagon with each side p unit is given by
Here,
Thus, he area of the base of pyramid is
The slant height of the pyramid is 7inches.
Hence, the surface area of the given pyramid is
Conclusion:
The surface area of the given pyramid is 97.5 inch2.
Chapter 12 Solutions
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