I need the answer as soon as possible In the given figure, O is the centre of the circle and AB is the diameter. If LODA = 90 and OB =BC, find 21.Aa) 30°b) 45°c) 60°d) 70°

Answered: In the given figure, O is the centre of…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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In the given figure, O is the centre of the circle and AB is the diameter. If 2ODA = 90 and OB = BC, find 21. E B a) 30° b) 45° c) 60° d) 70°