2 years ago

Hurry please!!!!

Mathematics

1 answer:

Ivenika [448]2 years ago

5 0

The answer is B cot

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Find the area of an equilateral triangle with 12-inch altitudes

Nina [5.8K]

$\textit{height of an equilateral triangle}\\\\ h=\cfrac{s\sqrt{3}}{2}~~ \begin{cases} s=\stackrel{side's}{length}\\[-0.5em] \hrulefill\\ h=12 \end{cases}\implies 12=\cfrac{s\sqrt{3}}{2}\implies 24=s\sqrt{3}\implies \cfrac{24}{\sqrt{3}}=s \\\\[-0.35em] ~\dotfill$

$\textit{area of an equilateral triangle}\\\\ A=\cfrac{s^2\sqrt{3}}{4}\qquad \qquad A=\cfrac{~~ \left( \frac{24}{\sqrt{3}} \right)^2 \sqrt{3}~~}{2}\implies A=\cfrac{~~ \frac{24^2}{3} \sqrt{3}~~}{2} \\\\\\ A=\cfrac{192\sqrt{3}}{2}\implies A=96\sqrt{3}\implies A\approx 166.28$

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1 year ago

Help me please!!!!!!!!!!!!!

marusya05 [52]

Answer:

B.) (0,1)

Hope this helps : )

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2 years ago

Read 2 more answers

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maria [59]

Answer:

answered with a diagram

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2 years ago

Area of the figure .

blondinia [14]

Answer: the answer is not in the multiple choice.

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Step-by-step explanation:

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You want to know if an octopus (octopi are very intelligent!) can tell the difference between circles and rectangles. You provid

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Yes

Step-by-step explanation:

The octopus chose the rectangles 68% of the time. From this observation you can tell that the octopus has learned there is food under the rectangular shape. Its cognitive abilities are less than a human's, but they are able to discern a rectangle from a circle with success.

Good luck ^^

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2 years ago