N=54..................................
Use the sine function here.
x
--- = sin 20 degrees = 0.349, so x = 10(0.349) = 3.42
10
Only difference your example has 11 and here it's ten
screenshoot
The answer is:
<span>(6x + 11)(x – 5)</span>
Answer: 71.4
Step-by-step explanation: