Question

13. A ladder is placed against a wall of the building 12 m above the ground. The foot of the ladder is 9 m away from the bottom of the wall. Find the length of the ladder.

14. A ladder 10 m long reaches a window which is 8 m above the ground on one side of the road. Keeping its foot at the same point, the ladder is turned to the other side of the road to reach a window 6 m high. What is the width of the road?

15. Find the length of a ladder kept at a distance of 16 m from the foot of a wall that just reaches a window at a height of 30 m.​

Answer 1

Answer:

13.21m

12+9=21m

14.16m

15.30-16=

4m

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