Find BC,if area=36 cm²,height AD =3cm²
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Answer: In ∆ABC, area =1/2 ×b× h
= 1/2 × BC × 3
Given, area of ∆ABC= 36 cm^2
Therefore, 1/2 × BC × 3= 36
=> BC= 36 ×2/3
=> BC= 24 cm
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