01. Unit-10 | Theorem 10.1.1 | 9th Math | Sindh Board

#9thTheorems #9theorems #Class9thTheorems 01. Unit-10 | Theorem 10.1.1 | 9th Math 1. In a parallelogram a) The opposite sides are congruent. b) The opposite angles are congruent. c) The diagonals bisects each other. 1) Concept of Area 2) Area of square 3) Area of rectangle 4) Area of parallelogram 1) Points 2) Line 3) Ray 4) Segment 5) Length 6) Angle 7) Triangle 8) Triangles Correspondence 9) S.A.S Postulate 10) Similar Triangles 11) Sum of all angles of triangle is 180 degree 12) If any two angles of corresponding triangles are congruent then the third angle is also congruent.