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Tyler has to figure out the amount of metal to cover the back of the shelves in Mrs. Edwards room. These are the dimensions. What is the amount of metal he will need to cover the back of the shelves?

210 square inches

108 square inches

180 square inches

36 square inches

Tyler Has To Figure Out The Amount Of Metal To Cover The Back Of The Shelves In Mrs Edwards Room These Are The Dimensions What Is The Amount Of Metal He Will Ne class=

Sagot :

The amount of metal he will need to cover the back of the shelves is 180 inches².

The figure above is like a composite figure. Therefore, lets find the area.

Area of the composite figure

The area of the figure is the sum of the whole individual 2 dimensional shapes in the composite figure.

Therefore, two rectangles can be drawn from it.

area of rectangle = lw

where

l = length

w = width

Therefore,

area of rectangle 1 = 9 × 8 = 72 inches²

area of rectangle 2 = 6 × 18 = 108 inches²

Total area = 108 + 72 = 180 inches²

Therefore, the amount of metal he will need to cover the back of the shelves is 180 inches².

learn more on area here: https://brainly.com/question/25849553

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