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Published byEmerald Ford Modified over 8 years ago
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1 Press Ctrl-A ©G Dear2008 – Not to be sold/Free to use Distance between Two Points (Pythagoras Theorem) Stage 4 Year 9 Download Geogebra
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2 1 2 3 4 56 7 8 0 1 2 3 4 5 6 7 -2 -3 Distance from (1,1) to (4,5) = 5 3 4 c 2 = a 2 + b 2 c 2 = 3 2 + 4 2 c 2 = 9 + 16 c 2 = 25 c = 5 GeoGebra
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3 1 2 3 4 56 7 8 0 1 2 3 4 5 6 7 -2 -3 Distance from (2,2) to (7,6) = 41 5 4 c 2 = a 2 + b 2 c 2 = 5 2 + 4 2 c 2 = 25 + 16 c 2 = 41 c = 41
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4 1 2 3 4 56 7 8 0 1 2 3 4 5 6 7 -2 -3 Distance from (-1,-2) to (5,5) = 85 6 7 c 2 = a 2 + b 2 c 2 = 6 2 + 7 2 c 2 = 36 + 49 c 2 = 85 c = 85
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