The answer is 20. You use 20 markers for it all.
Hi! Hope this isn’t too late,but I think the answer is C
The triangle inequality tells you the third side will be between the difference and sum of the other two sides.
5 < third side < 21
A (-5, 6)
B (-5, 2)
C (-9, 2)
D (-9, 6)
As it is just a rotation around the origin by 180, you can just change the sign in front of the numbers :)
First you have to find the measurement of the entire line,which will be equal x, than plug in in the equation between L and M
