These 'l l' lines mean absolute value. essentially it's asking how many units away from 0 a number is. Because of this all absolute values are positive numbers
l-18l=18
when you subtract numbers with three digits its almost exactly the same as regular subtracting but with decimals.
If you would like to know what is the solution to the system of equations, you can calculate this using the following steps:
y = x + 12
y = 3x + 2
______________
y = y
x + 12 = 3x + 2
12 - 2 = 3x - x
2x = 10
x = 5
y = x + 12 = 5 + 12 = 17
The correct result would be (x, y) = (5, 17<span>); because both lines pass through this point.</span>
You need to construct at least 2 angle bisectors to help locate the incircle's center (aka the "incenter"). The incircle is the largest circle possible that is inside the triangle, that doesn't overflow or spill outside of the triangle. An angle bisector cuts an angle in half.
The is answer is K=0.000875