9 In the figure 9.3, PQ and RQ are two chords equidistant from the centre. Prove that the diameter passing through Q bisects <PQR and <PSR.
10. In fig 9.4, AB and AC are two equal chords of a circle whose centre is O. If OD║AB and OE ║AC. prove that triangle ADE is an isosceles triangle.
CBSE NCERT BOARD IX-MATHEMATICS -Term -II- 2 1. Linear equations in two variables
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3. Area Of Parallelogram
6. Surface Areas and Volumes