if the area of the rectangular surfaces and height of a triangular prism are 660cm^2 and 22cm respectively,find the perimeter of its base.
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Answer:
let the base of the rectangular prism be 'b'
area of rectangular prism = 660 square cm
height // // = 2 cm
area of the rectangular prism = 1 /2 × base× height
660 = 1 /2× b × 22 cm
660 = b× 11 cm
b= 660/ 11
b = 60 cm
:. base = 60 cm (answer)
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