13
Aug
Class 9 | Chapter 7 | Triangles | Theorem 7.7
Theorem 7.7: In any triangle, the side opposite to the larger (greater) angle is longer. Theorem 7.6 Theorem 7.8
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13
Aug
Class 9 | Chapter 7 | Triangles | Theorem 7.6
Theorem 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
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13
Aug
Class 9 | Chapter 7 | Triangles | Theorem 7.5
Theorem 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…
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13
Aug
Class 9 | Chapter 7 | Triangles | Theorem 7.4
Theorem 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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13
Aug
Class 9 | Chapter 7 | Triangles | Theorem 7.3
Theorem 7.3: The sides opposite to equal angles of a triangle are equal Theorem 7.2 Theorem 7.4
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13
Aug
Class 9 | Chapter 7 | Triangles | Theorem 7.2 | Isosceles triangle theorem
Theorem 7.2: Angles opposite to equal sides of an isosceles triangle are equal. Theorem 7.1 Theorem 7.3 Prerequisite It is quite easy to prove this theorem and it’s been proved by two different ways in the above tutorial: Using angle…
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13
Aug
Class 9 | Chapter 7 | Triangles | Theorem 7.1
Theorem 7.1: (ASA congruence rule) Two triangles are congruent if two angles and the included side of one triangle are equal to two angles and the included side of other triangle. Home Theorem 7.2
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