WebMay 16, 2024 · In fig, AB is a chord of a circle with center O. If ∠ACD = 40°, then find ∠OAB. WebGiven: ∠OAB = 40° ...(1) In ∆OAB, OA = OB ∴ ∠OAB = ∠OBA = 40° (angles opposite to equal sides are equal) ...(2) Now, ∠OAB + ∠OBA + ∠AOB = 180° (angle sum property) …
In figure, if ∠OAB = 40º, then ∠ACB is equal to ______.
WebIf ∠ O A B = 4 0 ∘, then ∠ A C B is equal to. Medium. View solution > In the given figure, O is the centre of the circle ∠ OAB = 30 o and ∠ OCB = 40 o. Then ∠ AOC is. WebIf ∠OAB = 40° and C is a point on the circle, then ∠ACB = (a) 40° (b) 50°Ans (c) 80° (d) 100° 3. AB and CD are two equal chords of a circle with centre O such that ∠AOB = 80°, then ∠COD = (a) 100° (b) 120° (c) 80°Ans (d) 40° 4. In the given figure, BOC is a diameter of a circle with centre O. If shapiro and ingle foreclosures
[Solved] If in the given figure, ∠ACB + ∠BAC = 80 - Testbook
WebQ.16 of chapter 12, 12. Circle - Rajasthan Board Mathematics book. In figure, if ∠ OAB = 40°, then ∠ ACB is equal to— WebMar 30, 2024 · the the alonectanyte length of a side and measures of two angles were given. Now stady ghe follawing publem: EXERCISE 10.4 1. Constract A BC, given m ∠ … WebSo, ∠AOB = 180º – (40º + 40º) = 100º. As we know that angle subtended by an arc of a circle at the center is double the angle subtended by it at any point on the remaining part of the circle. So, ∠ACB = 1 2 ∠AOB = 1 2 × 100 ∘ = 50º. Concept: Concept of Circle - Centre, Radius, Diameter, Arc, Sector, Chord, Segment, Semicircle ... shapiro and ingle foreclosure nc