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Trigonometry - finding a side (1)

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	Answers
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Use the diagram to answer the questions below. Include units in your answers and keep at least 3 significant figures.


1. Find the value of x in triangle ABC.
2. Find the value of y in triangle XYZ.
3. Find the value of z in triangle PQR.

A ladder of length 11m is leaning against a wall. The foot of the ladder makes an angle of 83º with the floor.

4. How far away is the foot of the ladder from the floor? Include units in your answer

An aeroplane takes off at an angle of 5.7º and flies 10km.

5. How high is it above the ground? Include units in your answer