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Question
Two identical prisms with right triangles as the base are joined to form a rectangular prism. The height of each right triangle is 4 m and base is 5 m. Find the perimeter of the base of the rectangular prism.
Two identical prisms with right triangles as the base are joined to form a rectangular prism. The height of each right triangle is 4 m and base is 5 m. Find the perimeter of the base of the rectangular prism.
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Solution
The correct option is D 18 m
Base perimeter of the rectangular prism = 2 x ( Height of right triangle + Base length of the right triangle )
∴ Perimeter of base of the rectangular prism = 2 x ( 4 + 5 )
= 2×9
= 18 m
18 m
Base perimeter of the rectangular prism = 2 x ( Height of right triangle + Base length of the right triangle )
∴ Perimeter of base of the rectangular prism = 2 x ( 4 + 5 )
= 2×9
= 18 m
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