A ladder reaches a window 12 m above the ground on one side of the street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window 9 m high. If the length of the ladder is 15 m, then the width of the street is
(a) 30 m
(b) 24 m
(c) 21 m
(d) 18 m
Solution:
More Solutions:
- Prove that BD = BC.
- Find these angles.
- Prove that it is a trapezium.
- Find the angles of the parallelogram.
- Calculate angles CDB and ADB.
- ABCD is a parallelogram with perimeter 40.
- If ∠ABD = 50°, find ∠DPC.
- Find angle BED represented by x.
- ABCD is a trapezium. Find the values of x and y.
- Prove that each angle of a rectangle is 90°.