(2x - 6)^2 = (2x - 6)(2x - 6) = 4x^2 - 12x - 12x + 36 = 4x^2 - 24x + 36
So the easiest way to solve this is to use the straight line provided .
180=90+61+x
180=151+x
29=x
Find the diameter then multiply by pi
Answer:
$23.54
Step-by-step explanation:
12.95+2.76+7.83=23.54