Transcript Trigonometry for real!

Trigonometry for real!
Lesson Objectives:
• To be able to apply trigonometry in real life
?
How can we work out the height?
Can we use trigonometry?
O = Tan angle x A
= Tan 40 x 6
= 5.03m
H
O
T
A
?
O
40o
A
6m
How can we measure the angle?
Make your
clinometer
How can we measure the length?
Tape measure ?
Trundle Wheel?
What data will you be recording?
Design a data collection table to use
next lesson
You need to calculate the height of:
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The Gym
The Hall
The Maths block
The Canteen
The Science block
The height of the alarm on the main building
Answers!
Discussion Points
• How close were the estimations you made?
• How reliable do you think your final answers
are?