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Westkost [7]
3 years ago
7

Hey can someone help:)?​

Mathematics
1 answer:
Zolol [24]3 years ago
7 0
I think it’s the first one
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What are the lengths of the legs of a right triangle in which one acute angle measures 19° and the hypotenuse is 15 units long?
Anarel [89]
The side opposite the angle 19 degrees is given by 15sin 19 = 4.9 units, while the side adjacent the angle 19 degrees is given by 15cos 19 = 14.2 units.
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3 years ago
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Find the area. Round to the nearest tenth.
olga_2 [115]

Answer:

Step-by-step explanation:

The area of a triangle is

A=\frac{1}{2}bh and we have the base (12m) and we need to find the height. Using Pythagorean's Theorem:

6^2=4^2+h^2\\36=16+h^2\\20=h^2\\h=2\sqrt{5}

That's the height that we will sub into the area formula:

A=\frac{1}{2}(12)(2\sqrt{5})\\A=12\sqrt{5}\\A=26.8

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2 years ago
Please help asap 35 pts
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Meg and her mother are opening a cupcake shop. They buy an oven, a walk-in cooler, and a decorating table. In terms of factors o
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