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In ABC ABC = 6 ACB and BAC = 5 ACB...

This question belongs to Arithmetic Ability Geometry
Geometry
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In ΔABC, ∠ABC = 6∠ACB and ∠BAC = 5∠ACB. If AB = 7 cm and AC = 25 cm, then the length of BC is equal to:

Answer & Solution
Correct Answer: Option A
Geometry mcq question image
12θ → 180°
θ → 15°
6θ → 90°
Since sum of two angle is equal to the third angle then, it is a right angle triangle.
Hence BC = 24 cm
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