In a right-angled triangle

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

Problem

In a right-angled triangle, the side adjacent to an acute angle of

60^{\circ}

is 12 m. Find the length of the hypotenuse.\,(Take

\cos 60^{\circ}=\tfrac12

.) (a)

6\text{ m}

(b)

24\text{ m}

(c)

13.9\text{ m}

(d)

20.8\text{ m}