Mid point theorem states that the line segment joining the mid-points of two sides of a triangle is parallel to the third side.

00:02 CBSE class 9 maths NCERT Solutions chapter 10 Quadrilaterals Q2 ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rectangle.

01:28 Proof

02:12 cosidrer similarity of triangles.

05:25 Apply Mid point theorem.Mid point theorem states that the line segment joining the mid-points of two sides of a triangle is parallel to the third side.

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Mid-pointtheoremandProof

solve converse of mid point theorem problems

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CBSE class 9 maths chapter 10 Quadrilaterals

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