Theorem-2: Unit-8: Projection of side of a Triangle - Class 10 Mathematics Notes (Punjab Curriculum Textbook Board, Lahore)

Class 10 Mathematics

Unit-8: Projection of the side of a Triangle

Theorem: 2 

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In any triangle, the square on the side opposite to acute angle is equal to sum of the square on the sides containing that acute angle diminished by twice the rectangle contained by one of these sides and the projection on it of the other.

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Ex-7.1,  Ex-7.2,  Ex-7.3,  Ex-7.4,  Ex-7.5,  Ex-7(MIsc),  Unit-8,Theorem-2

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