1. AABC is righ-angled at A. IfAB 9 cm, AC 12 em, then find thelength – InterviewSolution

1.

1. AABC is righ-angled at A. IfAB 9 cm, AC 12 em, then find thelength of BC

Answer»

ABC is right angle triangle, angle A=90°

Apply pythagoras theorem, BC²=AC²+AB²=12²+9²=144+81=225

BC=√225=15 cm

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