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Vedantu: India by karuneshn is a document available to read on EtoBox.

Here are the steps to solve this problem: 1) Since the circle touches all four sides of the quadrilateral ABCD, ABCD must be a cyclic quadrilateral. 2) In a cyclic quadrilateral, the opposite angles add up to 180°. 3) We are given: AB = 6 cm, BC = 9 cm, CD = 8 cm 4) Using the angle sum property of a cyclic quadrilateral for ∠ABC and ∠CBD: ∠ABC + ∠CBD = 180 ∠6 + ∠9 = 180 15° + 20° = 180° 5) Solving for ∠ADB using the above: ∠ADB

Author
karuneshn
Language
EN