Mathematics: What is the perimeter of the rectangle? 5 feet 6 feet 12 feet 36 feet (Pls answer 70 points)

What is the perimeter of the rectangle? 5 feet 6 - id5613277811, yadirachavez2002

Ответ:

mxrvin4977

17.05.2021

Mathematics

12 ft

Explanation:

2(1+5) = 2×6 = 12

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Ответ:

woodsliuheart

21.08.2020

Mathematics

$\cos\theta=\frac14$ is positive, and we want $\sin\theta$ to be negative, which together means $\theta$ is an angle that lies in the fourth quadrant.

Use the Pythagorean identity to solve for $\sin\theta$ :

$\sin^2\theta+\cos^2\theta=1\implies\sin\theta=-\sqrt{1-\cos^2\theta}=-\dfrac{\sqrt{15}}4$

Then by definition of tangent, we have

$\tan\theta=\dfrac{\sin\theta}{\cos\theta}=\dfrac{-\frac{\sqrt{15}}4}{\frac14}=-\sqrt{15}$

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What is the perimeter of the rectangle? 5 feet
6 feet
12 feet
36 feet
(Pls answer 70 points)

Ответ:

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