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12.A triangular priam has the following dimensions: width is 5 mm base is15 mm. What additional dimensions are needed to find the surface area ofthe prism?ive

User Delabania
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A triangular priam has the following dimensions: width is 5 mm base is

15 mm. What additional dimensions are needed to find the surface area of

the prism?

the surface area of a prism is equal to

SA=2B+PH

where

B is the area of the triangular base

P is the perimeter of the triangular base

H is the height of the prism

the picture is needed

User Jawad
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