2 years ago

A plastic board that is 15 feet long is leaning against a wall

Mathematics

1 answer:

Dennis_Churaev [7]2 years ago

6 0

Answer:

9 ft

Step-by-step explanation:

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2 years ago

Find the exact values of sin A and cos A. Write fractions in lowest terms. (5 points) A right triangle ABC is shown. Leg AC has

swat32

$sin\ A = \frac{4}{5}\\\\cos\ A = \frac{3}{5}$

<em><u>Solution:</u></em>

Given a right triangle ABC

The figure is attached below

From given,

AC = Base = 33

BC = Perpendicular = 44

AB = hyptotenuse = 55

We know that,

$Sin\ A = \frac{perpendicular}{hypotenuse}\\\\Sin\ A = \frac{44}{55}\\\\Sin\ A = \frac{4}{5}$

Also,

$cos\ A = \frac{base}{hypotenuse}\\\\cos\ A = \frac{33}{55}\\\\cos\ A = \frac{3}{5}$

Thus the values are found

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2 years ago