The hypotenuse of right triangle is 13cm. If one of the remaining two sides is of length 5cm, find the length
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ANS:: Let ABC be a right angled triangle
hypotenuse AC=13cm
AB=5cm
and BC=?
Using pythagorous law
AC^2 = AB^2+BC^2
BC^2 = AC^2 -AB^2
BC^2 = 13^2 - 5^2
BC^2 = 169 - 25
BC^2 = 144
BC. = root over on 144
BC. = 12
Therefore length of other side BC = 12 cm
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