Festive Greetings

I would like to take this opportunity to wish all my students and my colleagues Merry Christmas and a happy new year.

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I

WISH

YOU ALL

MERRY

CHRISTMAS &

HAPPY NEW YEAR

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Revision questions for Form 5 students (2010)

Question 1

Given P is a point on the ground 20 m from the base of the Christmas tree shown above. If the angle of elevation of the star above the Christmas tree from point P is 14 degrees, calculate the height, in m, of the star from the ground.

Question 2

If the Christmas tree shown above is 5 m tall, and the angle of depression of a car on the ground from the top of the Christmas tree is 55 degrees. Find the distance of the car from the base of the Christmas tree.

Ans:Q1: 4.987 m; Q2: 3.501 m