Question

Q. Find BC if the area of the triangle ABC is som square and the height AD is 3cm.




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Answer 1

Answer:

• Let, BC = b.
• Area of triangle ABC = 1/2 × b × h
• Ar (triangleABC) =1/2 × BC × AD
• 36 = 1/2 × b × 3
• 36 × 2 = b × 3
• 72 = b × 3
• 72/3 = b
• b = 24
• BC = 24cm  (Ans.)

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