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Fittoniya [83]
2 years ago
10

What degrees do you need to rotate a fan?​

Mathematics
1 answer:
grin007 [14]2 years ago
4 0

Answer:

360°

Step-by-step explanation:

degrees are needed

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the answer is 19

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The angle 2 and 3 are in vertically opposite sides. So, they are vertically opposite angles.

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A wall in marcus room is 8 2/5 feet high as 16 2/3 feet long. If he paints 1/2 the wall blue how many square feet will be blue
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2 years ago
Any help would be appreciated. Thank you!
trapecia [35]

Answer:

Area =62.5\sqrt{6} square units

AB=5\sqrt{15} units

BC=5\sqrt{10} units

Step-by-step explanation:

In a right triangle the altitude drawn to the hypotenuse is the geometric mean of the segments at which this altitude divides the hypotenuse.

So,

BD^2=15\cdot 10\\ \\BD^2=150\\ \\BD=\sqrt{150}=5\sqrt{6}\ units

a. The area of the triangle ABC is

A_{ABC}=\dfrac{1}{2}\cdot BD\cdot AC=\dfrac{1}{2}\cdot 5\sqrt{6}\cdot (15+10)=\dfrac{125\sqrt{6}}{2}=62.5\sqrt{6}\ un^2.

b. The legs of the right triangle are geometric means of the segment adjacent to this leg and the hypotenuse, so

AB^2=AD\cdot AC=15\cdot 25\Rightarrow AB=5\sqrt{15}\ units\\ \\BC^2=CD\cdot AC=10\cdot 25\Rightarrow BC=5\sqrt{10}\ units

5 0
3 years ago
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