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Hi Q.23 ABC is a triangle, right angled at C. If AB =25c.m. and AC= 7c.m., find BC.good luck |
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Answer» ABC is right angled at CSO (AC)^2+(BC)^2=(AB)^2 (Pythagoras theorem)(7CM)^2+X^2=(25CM)^249CM^2+X^2= 625CM^2X^2= 576CM^2X=24cmBC is 24CM |
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