In ∆ABC, right- angled at B, AB=24cm, BC=7cm. determine
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Answer:
- by Pythagoras theorem
- that means in a triangle A,B,c
- AC2=AB2+BC2
- AC2=(24)2+(7)2
- AC2=576+49
- =625
- AC=√(25)2
- then square and root will cancel
- AC=25
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