4 years ago

A) calculate the surface area of the equilateral triangular prism.

1 answer:

7 0

(A)
Area of 2 triangles
= 2(1/2 × 8 × 7)
= 56cm^2
Area of 3 rectangles
= 3(20 × 8)
= 480cm^2
Surface area of equilateral triangular prism
= 56 + 480
= 536cm^2

(B)
Volume of triangular prism
= 1/2 × 8 × 7 × 20
= 560cm^3

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