<img src="https://tex.z-dn.net/?f=%285%20%5Csqrt%7B3%7D%20%20%2B%202%20%5Csqrt%7B5%7D%20%20-%20%283%20%5Csqrt%7B3%7D%20%20-%207%

3 years ago

20%5Csqrt%7B5%7D%20%29" id="TexFormula1" title="(5 \sqrt{3} + 2 \sqrt{5} - (3 \sqrt{3} - 7 \sqrt{5} )" alt="(5 \sqrt{3} + 2 \sqrt{5} - (3 \sqrt{3} - 7 \sqrt{5} )" align="absmiddle" class="latex-formula">

Mathematics

1 answer:

Sophie [7]3 years ago

7 0

Hey mom can you please answer

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The area of a triangle is given by the formula $A= \frac{1}{2}Bh$ , where B is the base and h is the height. We can rearrange this formula to solve for B.

$\dfrac{A}{ \frac{1}{2}h} = B\\ \\\\\dfrac{2A}{h} = B$ .

We plug in the given area, 640 square millimeters, and the given height, 32 millimeters.

$B= \dfrac{2(640)\ mm^2}{32 \ mm} = 40 \ mm$ .

40 mm is our final answer.

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Aleonysh [2.5K]

I think the area of this triangle is 27.1 square cm. Hope it help!

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