+8 A chocolate box made of cardboard is in the shape of a triangular prism. The prism’s bases are isosceles triangles. The chocolate box has a decorative paper wrapper covering only its rectangular sides. A net of the chocolate box is shown below.
How much decorative paper and cardboard are needed for the chocolate box, to the nearest hundredth of a square inch?
A = Decorative paper: 30.5 in 2 ; cardboard: 37.4 in 2
B = Decorative paper: 30.5 in2; cardboard: 33.95 in2
C = Decorative paper: 34.5 in2; cardboard: 37.95 in2
D = Decorative paper: 34.5 in2; cardboard: 41.4 in2
Paper will be (2.3 + 1.9 + 1.9) * 5 = ......... in2
Cardboard will be paper size plus the two triangles 2 * 1/2 b* h
paper size + 2 (1/2)(1.5)(2.3) in2
