Question

Here is a right angled triangle work out the value of x using trigonometry

Answer 1

`~~~~~\sin 30^(\circ) = \frac{\text{Perpendicular}}{\text{Hypotenuse} }\\\\\\\implies \frac 12 = \frac{8}x\\\\\\\implies x = 8\cdot2\\\\\\\implies x = 16 ~ \text{cm.}`