Answer:
Step-by-step explanation:
is the equation for 4 sides.
divide the entire equation by 4 to get:
C. -24
Plug in values into the given equation
Put the value of x = -3 to the expression x · x - 2x:
-x/6+0
Answer: It is an obtuse triangle I think beause more than one side is more than a 90 degree angle
