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Question
In the given triangle, the length of AB is:
Options
160 cm
120 cm
60 cm
40 cm
MCQ
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Solution
40 cm
Explanation:
In right ΔABC (∠B = 90°), AC = 80 cm and ∠C = 60°.
So,
AB = AC × cos 60°
= 80 × `1/2`
= 40 cm
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