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21 D,E and F are respectively the mid points of sides AB,BC & CA, respectively of a triangle ABC. Prove that by joining these mid points D,E & F,the triangle ABC is divided into 4 congruent triangles. |
| Answer» 21 D,E and F are respectively the mid points of sides AB,BC & CA, respectively of a triangle ABC. Prove that by joining these mid points D,E & F,the triangle ABC is divided into 4 congruent triangles. | |