Chapter 9 · Class 9 ICSE · Formula Sheet

Mid-Point Theorem Formulas — Class 9 ICSE

Prove and apply the mid-point theorem and its converse in triangles and quadrilaterals.

Key Formulas

Angle Sum

\angle A + \angle B + \angle C = 180°

Mid-Point Theorem

\text{Line joining midpoints of two sides} \parallel \text{third side, half its length}

Congruence Rules

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

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 9 ICSE Formulas

Rational & Irrational NumbersCompound InterestExpansionsFactorizationSimultaneous Linear EquationsIndices (Exponents)

Frequently Asked Questions

How many formulas are in Class 9 ICSE Mid-Point Theorem?+
There are 3 formulas in the Mid-Point Theorem chapter for Class 9 ICSE. Each formula is essential for solving problems in this topic.
How to remember Mid-Point Theorem 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 Mid-Point Theorem formulas enough for exams?+
Yes, these formulas cover the complete ICSE Class 9 syllabus for Mid-Point Theorem. Practice applying them to different types of questions for full exam readiness.

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