Unit 6 · Class 8 IB MYP · Formula Sheet

Congruence & Similarity Formulas — Class 8 IB MYP

Determine congruence and similarity of figures using transformations and scale factors.

Key Formulas

Congruence Tests

\text{SSS, SAS, ASA, AAS, RHS}

Scale Factor

k = \dfrac{\text{image length}}{\text{original length}}

Area Scale Factor

k^2

Volume Scale Factor

k^3

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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Frequently Asked Questions

How many formulas are in Class 8 IB MYP Congruence & Similarity?+
There are 4 formulas in the Congruence & Similarity chapter for Class 8 IB MYP. Each formula is essential for solving problems in this topic.
How to remember Congruence & Similarity 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 Congruence & Similarity formulas enough for exams?+
Yes, these formulas cover the complete IB MYP Class 8 syllabus for Congruence & Similarity. Practice applying them to different types of questions for full exam readiness.

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