RRB Group D (Level-1 posts) 2022 · Question 67 of 598
The exterior angle is equal to the sum of the two opposite interior angles. Thus, exterior angle at A = 70° + 70° = 140°.
Source: RRB Group D 2022 Prev. Yr. Paper (17 Aug 2022) (Shift 1) - FreshersNow · reliable-secondary
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