Mathematics: Apiece of lumber leans against a wall. the top of this 40 foot piece of lumber touches a point on the wall that is 36 feet above the ground. find to the nearest degree the measure of the angle that the lumber makes with the wall

Apiece of lumber leans against a wall. the top of

Ответ:

babymom74

30.12.2021

So first find the distance from the bottom of the lumber to the wood
40^2= 36^2+X^2
X=304^1/2. Or the sqaure root of 304

The you use the sin equation

Sin90*\40= sin(unknown angle)/304^1/2
Sinx(x) = ((304^1/2)xsin(90))/40
X=arcsin((304^1/2)xsin(90))/40

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Ответ:

wambold3

15.03.2023

Mathematics

$3.29= 3 \frac{29}{100}$
3 is the whole number.
.29 is the fraction part.

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Apiece of lumber leans against a wall. the top of this 40 foot piece of lumber touches a point on the wall that is 36 feet above the ground. find to the nearest degree the measure of the angle that the lumber makes with the wall

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