अध्याय 3 · Class 10 UP Board · Formula Sheet
Pair of Linear Equations in Two Variables Formulas — Class 10 UP Board
दो चरों में रैखिक समीकरणों का युग्म — आलेखीय और बीजगणितीय विधि (प्रतिस्थापन और विलोपन)।
Detailed formula cards for Pair of Linear Equations in Two Variables 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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