Question

class 9 math asingmant math

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Answer 1

Step-by-step explanation:

Theorem 8.1 :- A diagonal of a parallelogram divides it into two congruent triangles.

Theorem 8.2 :- In a parallelogram, opposite sides are equal.

Theorem 8.3 :- If each pair of opposite sides of a quadrilateral is equal, then it is a parallelogram.

Theorem 8.4 :- In a parallelogram, opposite angles are equal.

Theorem 8.5 :- If in a quadrilateral, each pair of opposite angles are equal, then it is a parallelogram.

Theorem 8.6 :- The diagonals of a parallelogram bisects each other.

Theorem 8.7 :- If the diagonals of a quadrilateral bisect each other, then it is a parallelogram.

Theorem 8.8 :- A quadrilateral is a parallelogram if a pair of opposite sides is equal and parallel.

Theorem 8.9 :- The line segment joining the mid - points of two sides of triangle is parallel to the third side.

Theorem 8.10 :- The line drawn through the mid - point of one side of a triangle, parallel to another side bisects the third side.

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