BM=CM implies that BCM is isosceles. This means that an altitude from the third vertex A of the triangle ABC, which must necessarily go through M will intersect BC exactly in the middle. This implies that the angles <CBA = <BCA which means the ABC is isosceles.
Answer:
1 1/2
Step-by-step explanation:
1/8 * 12 = 12/8 = 3/2 = 1 1/2
Hope this helps!
