Mathematics

Problem

In a right-angled triangle, the hypotenuse is 10 cm and one acute angle is

30^{\circ}

. What is the length of the side opposite this angle?\,(Take

\sin 30^{\circ}=\tfrac12

.) a)

4\text{ cm}

8.66\text{ cm}

5\text{ cm}

5.77\text{ cm}