Tuesday, 6 August 2013

PYTHAGORAS - 3


Find the length AB



Solution

We will use the PYTHAGORAS theorem [ a2 + b2 = c2  ]

a2 + b2 = c2

AB2 + BC2 = AC2

AB2 + 102 = 262

AB2 + 100 = 676

AB2 = 676 - 100

AB2 = 576    [Find the square root of 576]


Hence AB= 24cm      




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