The surface area is 372 ................. STEP1: Find the square of the two bottoms. notice that 1 bottom is made from 6 triangle Square of each triangle is (1/2)x3.5x4=7 Square of each bottom: 7x6=42 Square of the two bottom: 42x2=84
STEP2: Find the square of the rectangles Each rectangle: 4x12=48 The six recrangles: 6x48= 288
