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What is Wrong?
Learning Objectives:
Use Pythagoras to find the length of any side of Right Angled Triangles and use Pythagoras in practical problems
Find the distance between two points from their coordinates
2 2 2c a b
10cm
What if we wanted to find a different side?
b
2 2 2c a b
12m
b
8m
2 2 2b c a
2 2 2
2 2 2
2
2
12 8
144 64
60
608.94
b c a
b
b
b
bb m
Worked Example
GCSE Questions
And Then Apply 1P240 Q11 onwards
Point A is at 5,2Point B is at -5, -2
What is the length of line AB
B
A
4
10
2 210 4
11610.77
AB
ABAB