Question

a ladder AB is set up with B on the horizontal ground and A against a vertical wall,makea an angle bof 71° with the ground. It is prevented from slipping by a tight rope BQ of length 1.68m fixed at P to the foot of the wall and at O to the ladder,PQ been at right angles to AB,
Calculate in cm;
a] The height of line AP of the ladder above P.
b] The length of the ladder.

Answer 1

Answer:

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