77elizabethmassaro14
Answered

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A 25 foot ladder is leaning against a house. If the angle of Elevation of the ladder is 72 degrees:
How high up the house does the ladder touch?
How far away is the ladder from the house?
Round to the nearest tenth.

A 25 Foot Ladder Is Leaning Against A House If The Angle Of Elevation Of The Ladder Is 72 Degrees How High Up The House Does The Ladder Touch How Far Away Is Th class=

Sagot :

minecraftlover2607

Answer:

1. 23.8

2. 7.7

Step-by-step explanation:

for the first blank

use sin because x is opposite and 25 is hypotenuse

set up an equation:

sin(72)= (x/25)

multiply both sides by 25:

25(sin(72))= (x/25)25

25(sin(72))= x

multiply 25 by sin(72):

23.8 = x

for the second blank

use cos because x is adjacent and 25 us hypotenuse

set up an equation:

cos(72)= (x/25)

multiply both sides by 25:

25(cos(72))= (x/25)25

25(cos(72))= x

multiply 25 by cos(72):

7.7= x

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