in the angle ABC,MLC=90°,L(AC)=5cm,l(AB)=13cm.find l (BC)?
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Answer:
Length of BC = 12 cm
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In ∆ABCD,⟨LC=90°
By Pythagoras theorem
(AB)²=(AC)²+(BC)²
(13)²=(5)²+(BC)²
169=25+(BC)²
169-25=BC²
BC²=144
BC=12 cm
Hence,the length of side BC is 12 cm✔️
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