The triangles have TWO angles that are equal ...there is 180 degrees in EVERY triangle, so the THIRD angle in each of the triangles is equal too....
C similar to BCD (going around the angles of the triangle in the same direction)
The triangles have TWO angles that are equal ...there is 180 degrees in EVERY triangle, so the THIRD angle in each of the triangles is equal too....
C similar to BCD (going around the angles of the triangle in the same direction)