Question

Find the surface area of the prism

Answer 1

surface area is found by finding the sum of all areas of surfaces, 28 + 35 equals 63

Answer 2

surface area of rectangle= 2*( l*h + h*b + b*l )
= 2* (5*7 +7*4 + 4*5 )
= 2* ( 35 + 28 + 20)
= 2* ( 83)
=166mm^2