iriemarmolejo iriemarmolejo

04-05-2020
Mathematics

contestada

A rectangular storage box is 12 in.
wide, 15 in. long, and 9 in. high. How
many square inches of colored paper
are needed to cover the surface of
the box?

Respuesta :

lindabjz943 lindabjz943

04-05-2020

Answer:

846 sq. in.

Step-by-step explanation:

This is surface area. There are 6 faces. Solve each face and then add them up. In this case, first multiply 9 and 12 = 108. 108 adding 108 because there is another side with the same size. Than multiply 9 and 15. 135 times 2. 216 + 270 = 486. Next you multiply 12 and 15. 180 times 2. 486 + 360 = 846

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