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Polygons - Math Formulas and Properties

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Polygons - Formulas and Properties

EduTestIQ এর পক্ষ থেকে প্রত্যেককে স্বাগতম। বর্তমানে কেন্দ্র সরকার কিংবা রাজ্য সরকারের বহু পরীক্ষার নোটিফিকেশন বেরিয়েছে।  বিগত কয়েক বছরের প্রশ্নের উপর ভিত্তি করে আমরা কয়েকটি প্রশ্ন তোমাদের জন্য শেয়ার করছি !

Polygons - Formulas and Properties

Name No. of Sides (n) Sum of Interior Angles (S) Interior Angle (i) Exterior Angle (e)
Equilateral Triangle 3 (3-2) × 180° = 180° 180° ÷ 3 = 60° 180° - 60° = 120°
Square 4 (4-2) × 180° = 360° 360° ÷ 4 = 90° 180° - 90° = 90°
Regular Pentagon 5 (5-2) × 180° = 540° 540° ÷ 5 = 108° 180° - 108° = 72°
Regular Hexagon 6 (6-2) × 180° = 720° 720° ÷ 6 = 120° 180° - 120° = 60°
Regular Heptagon 7 (7-2) × 180° = 900° 900° ÷ 7 ≈ 128.57° 180° - 128.57° ≈ 51.43°
Regular Octagon 8 (8-2) × 180° = 1080° 1080° ÷ 8 = 135° 180° - 135° = 45°

Formula Guide:
Sum of Interior Angles (S) = (n-2) × 180°
Interior Angle (i) = S/n
Exterior Angle (e) = 180° - i
Valid for any regular polygon



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