Apply Area and Pythagorean Theorem to a prism

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Kirito123
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Homework Statement



Isometric diagram of a shed shaped like a triangular prism with a rectangular base, labeled 16 feet for the base width, 24 feet for the length, and 6 feet for the roof height, with the roof surface shaded in green with a brick pattern.

Homework Equations


Formula for Area of a retangle : A = L x W
Pythagorean theorem: A2 + b2 = c2

The Attempt at a Solution



So I am pretty sure I did it correct but I just want to be 100% certain I will get this right, By the way its a picture cause I found it easier to just snip it then copy paste.

Thank you in advance for your help
Handwritten-style worked solution beside a 3D drawing of a shed: a rectangular box with a triangular gabled roof, labels 16 feet on the side, 8 feet on the gable and 24 feet on the length, with the roof area shaded. Text works through A = L x W, 64 + 36 = 100, width 10, area 240 feet squared, then 480 divided by 33 for shingle bundles.
 
Looks ok, as long as we disregard the fact that an area isn't measured in cubic feet and the "entire roof" is not 240 sqft. Calculation A, text D . :biggrin:
 
He will not need approximately 15; he will need to buy exactly 15. It would not be possible to buy 0.54 of a bundle.