1.Cecilia needs to buy some cardboard to build a box 12 inches long, 8 inches wide, and 10 inches high. How much cardboard is needed to build the box?
What is asked in the problem?
What are the given facts?
What is the formula you need to use to solve to problem?
Solve:
2. A box in the shape of rectangular prism has a length of 25 meters, width 15 meters, and height of 10 meters. What is the surface area of the box in square meters?
What is the formula you need to solve the problem?
Solve:
Answers
Given : Cecilia needs to buy some cardboard to build a box 12 inches long, 8 inches wide, and 10 inches high.
To Find : How much cardboard is needed to build the box?
What is asked in the problem
What are the given facts?
What is the formula you need to use to solve to problem?
Solution:
asked in the problem is the cardboard required to build a cuboid shape / (rectangle prism ) box
For that Surface area of box need to be find
Given are the dimensions of the box
Length , width and height
Formula to be used = 2 ( lb + bh + lh)
l = 12 , b = 8 , h = 10
cardboard is needed to build the box = 2 ( 12 * 8 + 8 * 10 + 12 * 10)
= 2( 96 + 80 + 120)
= 2( 296)
= 592 sq inches
A box in the shape of rectangular prism has a length of 25 meters, width 15 meters, and height of 10 meters
Surface area of box = 2 ( lb + bh + lh)
l = 25 , b = 15 , h = 10
2 ( 25 * 15 + 15 * 10 + 25 * 10)
= 2 ( 375 + 150 + 250)
=2 ( 775)
= 1550 sq meters
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