I can discover the relationship
between the sides of a right
angled triangle
Form IV
Starter
a)
Find the missing length
Extension - find the length of the
diagonal in this 3D shape
Solutions
Trig ratios
We know how to find the size of a missing length in a right angled triangle if we know
the length of the two other sides. However, what if we only know the length of one
side, but we know the size of one of the angles?
Investigation
Attempt the investigation in the uploaded google document on trigonometric ratios.
What you discover in this investigation will help you with questions like on the
previous slide.
Exit ticket
Describe what you have discovered about the relationship between the sides of a
right angle as a result of your investigation?