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May 1st, 2019, 12:14 PM  #1 
Newbie Joined: Nov 2018 From: nigeria Posts: 2 Thanks: 0  Assignment due tomorrow please help with solutions
A ladder AB, which is set up with B on the horizontal ground and A against a vertical wall, makes an angle of 71° with the ground. It is prevented from slipping by a tight rope PQ of length 1.68 meters, fixed at P to the foot of the wall and at Q to the ladder, AB. Calculate, in centimetres a) the height AP of the ladder above P B) the length of the ladder. 
May 1st, 2019, 01:40 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,806 Thanks: 716 
Draw a diagram.

May 1st, 2019, 07:59 PM  #3 
Global Moderator Joined: Dec 2006 Posts: 20,921 Thanks: 2203 
Did the original question also indicate the angle between PQ and AB? If it didn't, more information is needed.


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