Calculate the angle that the ladder makes with the ground using a trigonometric ratio. 3. If a ladder is x feet long, how high up a wall can it safely reach?
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Answer:
Length of Ladder = 13 ft
Length between Ladder and Wall = 5 ft
by pythagoras theorum
(hypotenuse)^2 = (perpendicular)^2 + (base)^2
(13)^2 = (height of wall)^2+(5)^2
by solving
Height of Wall = 12 ft
Step-by-step explanation:
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