a b c a2 = b2 + c2 Remember the rule. Coordinates and Pythagoras

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a b c a2 = b2 + c2 Remember the rule. Coordinates and Pythagoras Tuesday, 20 November 2018 Remember the rule. a b 900 c a2 = b2 + c2

Coordinates and Pythagoras Tuesday, 20 November 2018 a 6 900 8 a2 = 62 + 82 a2 = 36 + 64 a2 = 100 a = 10

Find the distance between the points (2, 1) and (10, 7) Find the distance between the points (2, 1) and (10, 7). You would not think that this was a Pythagoras question, but… (10, 7) (2, 1)

Find the distance between the points (2, 1) and (10, 7) Find the distance between the points (2, 1) and (10, 7). You would not think that this was a Pythagoras question, but… (10, 7) 7 – 1 = 6 (2, 1) 10 – 2 = 8