ABC is a triangle, right-angled at C. If AB = 25 cm and AC = 7 cm, find BC.
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Answer:
BC = 24 cm
Step-by-step explanation:
Given :
In ∆ ABC, AB=25 cm, AC= 7 cm, BC= ?
By Pythagoras Theorem,
(AB) ^2=(AC)^2+(BC)^2
(25)^2=(7)^2+(BC)^2
625=49+BC^2
625-49= BC^2
576=BC^2
Therefore,BC=24 cm
May it helps you..
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