MCQOPTIONS
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MCQOPTIONS
| 1. |
An isosceles triangle ABC is right-angled at B. D is a point inside the triangle ABC. P and Q are the feet of the perpendiculars drawn from D on the side AB and AC respectively of ΔABC. If AP = a cm, AQ = b cm and ∠BAD = 15°, sin 75° = ? |
| A. | $\frac{{2b}}{{\sqrt 3 a}}$$ |
| B. | $\frac{a}{{2b}}$$ |
| C. | $\frac{{\sqrt 3 a}}{{2b}}$$ |
| D. | $\frac{{2a}}{{\sqrt 3 b}}$$ |
| Answer» D. $\frac{{2a}}{{\sqrt 3 b}}$$ | |