SmartMaths

SmartMaths

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16/01/2026

At SmartMaths Academy, we make mathematics simple, clear, and enjoyable! This week, we’re exploring an important geometry concept the Sum of Interior Angles of a Polygon.

✨ Key Formula to Remember:
Sum of Interior Angles = (n − 2) × 180°
Where n represents the number of sides of the polygon.

🔍 Worked Example:
A hexagon has 6 sides
So,
(6 − 2) × 180° = 720°

This formula helps you quickly solve exam questions and understand how shapes work in real life. Whether you’re preparing for tests or strengthening your foundation in mathematics, we’ve got you covered!

📚 Stay consistent. Practice daily. Learn smart.

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