Question

A ladder 13 m long reaches a window which is 12 m above the ground on side of a street. Keeping its foot at the same point, the ladder is turned to the other side of the street to each a window 5m high, then the width of the street is :

A) 17 m B) 16 m C) 14 m D) 15 m

Answer 1

Answer:

12 m

Step-by-step explanation:

Using Pythagoras Theorem 13^2=X2+5^2

X= 12 m