Question

A ladder is placed in such a way that its foot is 15 m away from the wall and its top reaches a
window 20 m above the ground. The length of the ladder is

Answer 1

Step-by-step explanation:

Let the height of the window from the ground and the distance of the foot of the ladder from the wall be AB and BC, respectively. We have : AB = 20 m and BC = 15 m Applying Pythagoras theorem in right-angled ABC, we get: Hence, the length of the ladder is 25 m. Read more on Sarthaks.com - https://www.sarthaks.com/135607/ladder-placed-such-way-that-its-foot-distance-from-wall-and-top-reaches-window-above-ground

Answer 2

Answer:

25m

Step-by-step explanation:

length of ladder = 20x20 + 15x15

= 400 + 225

= √625

= 25