Unit 5 · Class 8 IB MYP · Formula Sheet

Geometric Properties Formulas — Class 8 IB MYP

Explore properties of triangles, quadrilaterals, and polygons with formal reasoning.

Key Formulas

Interior Angles of Polygon

(n - 2) \times 180°

Each Interior Angle (Regular)

\dfrac{(n-2) \times 180°}{n}

Exterior Angle Sum

360°

Each Exterior Angle

\dfrac{360°}{n}

Worked Examples

1Using: Application

Apply the key formula from this topic to a sample problem.

Step 1: Identify the formula.

Step 2: Substitute the values.

Step 3: Simplify to get the answer.

Answer: See solution above

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More Class 8 IB MYP Formulas

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Frequently Asked Questions

How many formulas are in Class 8 IB MYP Geometric Properties?+
There are 4 formulas in the Geometric Properties chapter for Class 8 IB MYP. Each formula is essential for solving problems in this topic.
How to remember Geometric Properties formulas easily?+
Practice regularly with worked examples, group related formulas together, and use SparkEd's interactive practice mode to reinforce your memory through problem-solving.
Are these Geometric Properties formulas enough for exams?+
Yes, these formulas cover the complete IB MYP Class 8 syllabus for Geometric Properties. Practice applying them to different types of questions for full exam readiness.

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SparkEd Maths provides free formula sheets for Class 1-10 across 7 education boards. All formulas are aligned to the 2025-26 syllabus.