
To find the lateral surface area and surface area of the given rectangular prism.

Answer to Problem 15SGR
160 feet2, 202 feet2
Explanation of Solution
Given:
Length of prism, l=7 feet
Breadth of prism, b=3 feet
Height of prism, h=8 feet
Formula used:
Lateral surface area of a rectangular prism =2h(l+b)
Surface area of a rectangular prism =2(lb+bh+hl)
Calculation:
For the given rectangular prism,
Lateral surface area =2h(l+b)
=2×8(7+3)=16(10)=160
Surface area =2(lb+bh+hl)
=2(7⋅3+3⋅8+8⋅7)=2(21+24+56)=2(101)=202
Conclusion:
Therefore, lateral surface area of the given prism is 160 feet2 and surface area is 202 feet2.
Chapter 12 Solutions
Glencoe Geometry Student Edition C2014
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