Class 9 | Chapter 8 | Quadrilaterals | Theorem 8.5
Theorem 8.5: If in a quadrilateral, each pair of opposite angles is equal, then it is a parallelogram. Theorem 8.4 Theorem 8.6
Read MoreTheorem 8.5: If in a quadrilateral, each pair of opposite angles is equal, then it is a parallelogram. Theorem 8.4 Theorem 8.6
Read MoreTheorem 8.3: If each pair of opposite sides of a quadrilateral is equal, then it is a parallelogram. Theorem 8.2 Theorem 8.4
Read MoreTheorem 8.1: A diagonal of a parallelogram divides it into two congruent triangles. Home Theorem 8.2
Read MoreTheorem 7.8: The sum of any two sides of a triangle is greater than the third side. Theorem 7.7 Class 9 | Home
Read MoreTheorem 7.7: In any triangle, the side opposite to the larger (greater) angle is longer. Theorem 7.6 Theorem 7.8
Read MoreTheorem 7.6: If two sides of a triangle are unequal, the angle opposite to the longer side is larger (or greater). Theorem 7.5 Theorem 7.7
Read MoreTheorem 7.5: (RHS congruence rule) : If in two right triangles the hypotenuse and one side of one triangle are equal to the hypotenuse and one side of the other triangle, then the two triangles are congruent. Theorem 7.4 Theorem…
Read MoreTheorem 7.4: (SSS congruence rule) If three sides of one triangle are equal to the three sides of another triangle, then the two triangles are congruent. Theorem 7.3 Theorem 7.5
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