Someone is this right.
i answered:
a) how much material does he need to cover on...
Mathematics, 16.10.2019 21:40 angelisabeast5430
Someone is this right.
i answered:
a) how much material does he need to cover one rectangular side of the tent?
justify your answer using equations/formulas, models, and/or words to explain your mathematical reasoning.
lets say the area = x. so the area of the rectangular side is x = 9 times 6. so x = 54. : ) area (or x) always equals length times width, so it would be 9 times 6.
b) if david’s dad wanted to re-cover the whole tent, how much material would he need? justify your answer using equations/formulas, models, and/or words to explain your mathematical reasoning.
you have to find the areas of each face of the tent individually and then add them together. so first, lets take the triangular sides of the tent. we can find the area of them combined if we multiply by 2.
so your formula would 2(1/2 times 7 times 6). that is equal to 42.
then for the rectangular sides, 2( 9 times 6). that is equal to 108.
so add those together. 42 + 108 = 150. so they would need 150 square feet of tent to recover the whole tent.
c) if david found a roll of tent material in the garage that was 65 ft2, would he have enough material to cover the entire tent? explain your reasoning.
the answer is no. 150 > 65. there would be 95 feet of tent more needed to cover the tent.
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