What is the first quadrant area of circle x²+y²=49?
Circle x²+y²=49 का first quadrant area क्या है?
Show answer and explanation
Correct Answer
D. 49π / 4
ExplanationStep 1: Identify the concept: circle area by integration. Step 2: The circle radius is 7. First quadrant is one-fourth of total area, so 49π/4. Step 3: Exam tip: A quadrant area of a circle is πr²/4.
Step 1: अवधारणा circle area by integration है। Step 2: Circle radius 7 है। First quadrant total area का 1/4 है, इसलिए 49π/4। Step 3: याद रखें: Circle का quadrant area πr²/4 होता है।