Chapter 4 (Samacheer Kalvi) · Class 6 TN Board · Formula Sheet
Geometry (வடிவியல்) Formulas — Class 6 TN Board
Points, lines, rays, angles, triangles, and basic constructions.
Detailed formula cards for Geometry (வடிவியல்) are being prepared. Meanwhile, practice questions to master this topic.
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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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