RRB Group D (Level-1 posts) 2022 · Question 337 of 598
For a regular polygon, the formula for each interior angle is: (n-2) × 180° / n. Setting this to 135°, we solve for n: (n-2) × 180° = 135°n. Simplifying, n = 8.
Source: RRB Group D 2022 Prev. Yr. Paper (18 Aug 2022) (Shift 2) - Prepp · reliable-secondary
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