Question

Roxane is designing a new cake box for a local bakery. The template for the cake box is shown above. When the template is folded along the dotted lines, it makes a box with a length of 42 centimeters, a width of 20 centimeters, and a height of 10 centimeters.

How much paperboard is needed to make the cake box?
A.
2,080 square centimeters
B.
1,462 square centimeters
C.
2,920 square centimeters
D.
1,460 square centimeters

Answer 1

Area of rectangle box = 2,920 CM²

Explanation:

Given:

Length = 42 Cm

Width = 20 Cm

Height = 10 Cm

Find:

Total area required to make box = ?

Computation:

Area of rectangle box = 2[LB + BH + HL]

Area of rectangle box = 2[(42 × 20) + (20 × 10) + (10 × 42)]

Area of rectangle box = 2[(840) + (200) + (420)]

Area of rectangle box = 2[1,460]

Area of rectangle box = 2,920 CM²