In a ∆ABC m∠B = 90°.
If AC=13cm, BC=5cm then find AB.
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Answer:
As given one of the angle is 90
As it must be a right angled triangle.
By phythagorous therom,
AB^2+BC^2=AC^2
AB^2+(5)^2=(13)^2
AB^2=169-25
AB^2=144
AB=SQUARE ROOT OF 144
AB=12CM
Step-by-step explanation:
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