Question

6. A firefighter's ladder of length 13 m was kept at a distance of 5 m from a building to reach a
window on the building, At what height is the window from the ground?
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Answer 1

Answer:

12 m

Step-by-step explanation:

It forms a right angled triangle.

5² + x² = 13²

25 + x² = 169

x² = 144

x = 12m