What is the surface area of right triangular prism with a height of 20 units and a base with legs of length 3 units and 4 units and a hypotenuse of length 5 units

Answer 1

[(3 + 4 + 5) * 20] + (3*4) = ?

Answer 2

area of base = (1/2)(3)(4)
area of top = (1/2)(3)(4)
area of sides = 20 * ( 3 + 4 + 5 )