Academics – Mathematics : 2012/MAR/06
Question
Q6. (a) A ship on a bearing 197° from a lighthouse measures the angle of elevation of the top of the lighthouse as 13°. After sailing 144 metres the ship is on a bearing 178° from the lighthouse and the angle of elevation to the top of the lighthouse is then 9°.
Calculate the height of the lighthouse. (10)
(b) Fig Q6(b) shows the major segment of a circle of radius 75 mm.
Chord AB is 120 mm.
Determine the perimeter of the segment. (6)
Asked in Year/Month/Ques No.
Hello Guest User,
Answers are available via our app only.
Please buy a membership plan and login via our app to view answers.
Please buy a membership plan and login via our app to view answers.
Download our App
