1. Lesson Objectives: To be able to apply trigonometry in real life
Trigonometry for real!
Lesson Objectives:
To be able to apply trigonometry in real life

2. ?
How can we work out the height?

3. Can we use trigonometry?
O = Tan angle x A
= Tan 40 x 6
= 5.03m O
T A H ? O
40o A 6m

4. How can we measure the angle?
Make your clinometer

5. How can we measure the length?
Tape measure ? Trundle Wheel?

6. What data will you be recording
What data will you be recording? Design a data collection table to use next lesson You need to calculate the height of:
The Gym
The Hall
The Maths block
The Canteen
The Science block
The height of the alarm on the main building

7. Answers!

8. Discussion Points How close were the estimations you made?
How reliable do you think your final answers are?