Question

If a ladder 20m long reaches a window 16m above the ground, then the distance of the foot of the ladder from the base of the wall is *​

Answer 1

Answer:

Step-by-step explanation:

here,we are actually asked to find the base of the triangle formed.

length of the ladder is the hypotenuse and the height of the window is the perpendicular

so the base is equal to the root of (hypotenuse)²-(perpendicular)²

base=root of (20)²-(16)²=root of 400-256=root of 144=12m

so the distance of the foot of the ladder from the base of the wall is 12m.

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