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Sahay Sir > Question Answers > NCERT Class 9 > Maths > Chapter 10 - Circles > 3. If P, Q and R are the mid-points of the sides BC, CA and AB of a triangle and AD is the perpendicular from A on BC, prove that P, Q, R and D are concyclic.

3. If P, Q and R are the mid-points of the sides BC, CA and AB of a triangle and AD is the perpendicular from A on BC, prove that P, Q, R and D are concyclic.

-q 3. If P CA and AB of a triangle and AD is the perpendicular from A on BC prove that P Q and R are the mid-points of the sides BC R and D are concyclic.