Pythagoras & Trigonometry 1a
6 lessons · 6 variations each
GR.9.1
2 Find the hypotenuse in a right-angled triangle
Calculate the length of the hypotenuse in a right-angled triangle
GR.9.2
3 Find the short side in a right-angled triangle
Calculate the length of a shorter side in a right-angled triangle
GR.9.3
4 Find the length of a line segment in the coordinate plane
Calculate the length of a line segment on the coordinate plane
GR.9.4
5 Deduce whether a triangle is right-angled
Deduce whether a triangle is right-angled by considering its sides
GR.9.5
6 Problem solving - Pythagoras theorem
Solve problems using Pythagoras theorem
GR.9.6
Proofs of Pythagoras' theorem
Explore proofs of Pythagoras' theorem