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2 years ago

Please help me! I need this done in 10 mins.

Mathematics

2 answers:

antiseptic1488 [7]2 years ago

8 0

Answer:

The answer is 28.5

Step-by-step explanation:

Break apart the shapes then add their areas

Rectangle: 3 * 6 = 18

Top triangle: 6 * 2 = 12 / 2 = 6

Triangle on the right: 3 * 3 = 9 / 2 = 4.5

Total area = 28.5 meters squared.

swat322 years ago

7 0

Answer:

I'm pretty sure the answer is 14m

Step-by-step explanation:

All you have to do is add the numbers together.

Hope this helps!

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Read 2 more answers

I need to find the volume of a nose cone.

rjkz [21]

well then, the volume of the nose cone will just be the sum of the volume of the cylinder below and the cone above.

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$\bf \stackrel{\textit{volume of a cone}}{V=\cfrac{\pi r^2 h}{3}}~~ \begin{cases} r=radius\\ h=height\\ \cline{1-1} r=4\\ h=6 \end{cases}\implies V=\cfrac{\pi (4)^2(6)}{3}\implies V=32\pi \\\\\\ \stackrel{\textit{volume of a cylinder}}{V=\pi r^2 h}~~ \begin{cases} r=radius\\ h=height\\ \cline{1-1} r=4\\ h=6 \end{cases}\implies V=\pi (4)^2(6)\implies V=96\pi \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{volume of the nose cone}}{32\pi +96\pi \implies 128\pi }\qquad \approx \qquad 402.12$

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