Answer:
Wall's height = 3.42 m
Explanation:
Length of the ladder = 10 meter
Suppose height of the wall = h meter
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One right angle triangle whose opposite side is h and hypotenuse is 10m
We use the trigonometric ratio
sin Θ = [tex] \frac{opposite}{hypotenuse} [/tex]
sin Θ = [tex] \frac{h}{10} [/tex]
sin(20) = [tex] \frac{h}{10} [/tex]
0.3420 = [tex] \frac{h}{10} [/tex]
Solve for h
h = 0.3420 * 10
h = 3.42 m
Height of the wall is 3.42 m
