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Ayushree
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In a cyclic quadrilateral, opposite angles are supplementary. Therefore, ∠C = 180° – 75° = 105°. Similarly, ∠D = 180° – 110° = 70°.

∠a measures 75°∠b measures 110°class 9 maths chapter 5 i’m up and down and round and round solutionclass 9 maths exercise 5 all solutions – i’m up and down and round and roundcyclic quadrilateral inscribed in a circlencert class 9 maths ganita manjari chapter 5 solutions
Ayushree
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The radius is half the diameter, so it is 13 cm. The perpendicular from the centre bisects the chord, giving half chord 12 cm. Hence, the distance is 5 cm.

chord of length 24 cm is drawn in the circleclass 9 maths exercise 5 all solutions – i’m up and down and round and rounddiameter of a circle is 26 cmi’m up and down and round and round: solutions class 9 (ganita manjari)