Question

Prove that the four triangles formed by the joining in pairs the mid point of the sides of a triangle are congruent to each other

Answer 1

first all sides of a triangle are congruent because the sum of the triangle is 180 degree and if you minus by 30 60 degree theorem so it can be prove that all sides 4 sides formed by joining the pairs of the midpoint of the sides of a triangle are congruent to each other