Chapter 4 (Samacheer Kalvi) · Class 10 TN Board · Formula Sheet

Geometry (வடிவியல்) Formulas — Class 10 TN Board

Similar triangles, BPT theorem, Pythagoras theorem, tangent properties, and concurrency theorems.

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Worked Examples

1Using: Supplementary Angles

If one angle is 65 degrees, find its supplement.

Step 1: Supplement = 180 - 65

Step 2: = 115 degrees.

Answer: 115 degrees

2Using: Vertically Opposite

Two lines intersect. If one angle is 40 degrees, find the vertically opposite angle.

Step 1: Vertically opposite angles are equal.

Step 2: The angle = 40 degrees.

Answer: 40 degrees

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More Class 10 TN Board Formulas

Relations and Functions (தொடர்புகளும் சார்புகளும்)Numbers and Sequences (எண்களும் தொடர்வரிசைகளும்)Algebra (இயற்கணிதம்)Coordinate Geometry (ஆயத்தொலை வடிவியல்)Trigonometry (முக்கோணவியல்)Mensuration (அளவியல்)

Frequently Asked Questions

How many formulas are in Class 10 TN Board Geometry (வடிவியல்)?+
There are several key formulas in the Geometry (வடிவியல்) chapter for Class 10 TN Board. Each formula is essential for solving problems in this topic.
How to remember Geometry (வடிவியல்) 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 Geometry (வடிவியல்) formulas enough for exams?+
Yes, these formulas cover the complete TN Board Class 10 syllabus for Geometry (வடிவியல்). Practice applying them to different types of questions for full exam readiness.

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