## Theorem 6.8 Class 9 Maths

Statement: If a side of a triangle is produced, then the exterior angle so formed is equal to the sum of the two interior opposite angles.. Advertisements

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# Category: Chapter 6 Theorems

## Theorem 6.8 Class 9 Maths

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## Theorem 6.7 Class 9 Maths

## Theorem 6.6 Class 9 Maths

## Theorem 6.5 Class 9 Maths

## Theorem 6.3 Class 9 Maths

## Theorem 6.2 Class 9 Maths

## Theorem 6.1 Class 9 Maths

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Statement: If a side of a triangle is produced, then the exterior angle so formed is equal to the sum of the two interior opposite angles.. Advertisements

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Statement: The sum of the angles of a triangle is 180ยบ.

Click Here to Continue ReadingStatement: Lines which are parallel to the same line are parallel to each other.

Click Here to Continue ReadingStatement: If a transversal intersects two lines such that a pair of interior angles on the same side of the transversal is supplementary, then the two lines are parallel.

Click Here to Continue ReadingStatement: If a transversal intersects two lines such that a pair of alternate interior angles is equal, then the two lines are parallel.

Click Here to Continue ReadingStatement: If a transversal intersects two parallel lines, then each pair of alternate interior angles is equal..

Click Here to Continue ReadingStatement: If two lines intersect each other, then the vertically opposite angles are equal.

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