Find the lateral area and surface area of prism.
Answer to Problem 12PPS
L =
S =
Explanation of Solution
Given:
The prism is :
Formula Used:
The Lateral area L of a right prism is
L = Ph , where h is the height of the prism and P is the perimeter of a base.
The Surface area S of a right prism is
S = L + 2B , where L is its Lateral area and B is the area of a base.
Calculation:
The base of the prism is square , whose side is of the measure 1.5 mm.
Perimeter of the base = P = 4(1.5) = 6 mm. [perimeter of square = 4(side) ]
Lateral area = Ph
Substitute P = 6 , h = 1.5 ;
So , Lateral area = L =
The base is square , whose side is of the measure 1.5 mm.
Area of the base of the prism = B =
Surface area of prism = L + 2B = 9+2(2.25) =
Hence ,
L =
S =
Chapter 12 Solutions
Geometry, Student Edition
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