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a 15 foot ladder is resting against a wall and make an angle of 48 degree with the ground. find the height to which the ladder will reach on the wall

Sagot :

Jers15idn
If we draw a triangle, we can say that the 15 foot ladder is the hypotenuse. The angle f 48 degrees with the ground means that it is the angle of elevation, therefore, to find the height of the building, you may use the formula sin 48=x/15

sin 48=[tex]\frac{x}{15}[/tex]
15 sin 48=x
x=11.15 foot

The height of the wall is 11.15 foot. Hope this helps =)