In triangle ABC, angle B=90 degree, if AC =13 cm, BC=85cm, find AB
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84 and it's angle is made downward
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by Pythagoras theorem
13^2=5^2+ab^2
169-25=a^2
ab=12cm
ithink it is 5 cm=bc
13^2=5^2+ab^2
169-25=a^2
ab=12cm
ithink it is 5 cm=bc
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