Answer:
14.14
Step-by-step explanation:
From identity Sine of an angle = the Opposite/ hypothenus
From the right angle triangle above,
The missing angle= 45 because sum of all angles in a right angle triangle must give 180 degrees.
This means Sine 45= X/20
X= 20 * sine 45
X = 20 *0.707 = 14.14
