Someone please help me with this problem
1 answer:
Check the picture below.
so the rectangular prism, or that box, is really just 6 rectangles stacked up to each other at the edges, notice
front and back are just two 9x5 rectangles
left and right are just two 5x4 rectangles
top and bottom are just two 9x4 rectangles
get the area of all 6, sum them up, and that's the area of the box.
so the rectangular prism, or that box, is really just 6 rectangles stacked up to each other at the edges, notice
front and back are just two 9x5 rectangles
left and right are just two 5x4 rectangles
top and bottom are just two 9x4 rectangles
get the area of all 6, sum them up, and that's the area of the box.
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Answer:
<h2>A = 225 in²</h2>Step-by-step explanation:
The formula of an area of a square:
<em>s</em><em> - side</em>
The formula of a perimeter of a square:
<em>s</em><em> - side</em>
<em />
We have a perimeter
Substitute:
<em>divide both sides by 4</em>
Put it to the formula of an area of a square: