Question

What is the value of x?

Answer 1

By Sine Rule,

x/sin30° = 8/sin90°

x/0.5 = 8/1

So x = 4.

Answer 2

4

Step-by-step explanation:

sin = opposite side / hypoteneuse side

opposite side = x

hypoteneuse side = 8

thus; sin 30° = x/8

x = sin 30°×8

= 0.5 × 8

= 4