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Mathematics for XI (Science Group)
Unit 11: Applications Of Trignometrys
Multiple Choice Questions (MCQs)
21. In equilateral triangle, each angle is equal to:
(a) 30°
(b) 60° ✔
(c) 90°
(d) 45°
22. In equilateral triangle, each side of x units, the area of triangle will be:
(a) 3x / 2
(b) √ 3x / 2
(c) √ 3x / 4
(d) √ 3x2 / 4 ✔
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