PROOF: Triangle ABC is a right isosceles triangle by hypotenuse AB. M is the midpoint of AB. Select a coordinate proof to show that CM is perpendicular to AB.
Ascalene & right
Bisosceles & scalene
Cnone of these
Disosceles & righ
Ascalene & right
Bisosceles & scalene
Cnone of these
Disosceles & righ