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
Read More
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
Read More
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…
Read More
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
Read More
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
Read More
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…
Read More
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
Read More
13
Aug
Class 9 | Chapter 10 | Circles | Theorem 10.6
Theorem 10.6: Equal chords of a circle (or of congruent circles) are equidistant from the centre (or centres). Theorem 10.5 Theorem 10.7
Read More
11
Aug
Class 9 | Chapter 10 | Circles | Theorem 10.5
Theorem 10.5: There is one and only one circle passing through three given non-collinear points. Theorem 10.4 Theorem 10.6
Read More
11
Aug
Class 9 | Chapter 10 | Circles | Theorem 10.4
Theorem 10.4: The line drawn through the centre of a circle to bisect a chord is perpendicular to the chord. Theorem 10.3 Theorem 10.5
Read More