In a right-angled triangle

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

In a right-angled triangle,

\angle X = 60^{\circ}

and the hypotenuse is

18\,\text{cm}

. What is the length of the side adjacent to

\angle X

? (a)

15.6\,\text{cm}

(b)

10.8\,\text{cm}

(c)

9\,\text{cm}

(d)

10.392\,\text{cm}

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