Question:
Find the area of the circle \( x^2 + y^2 = a^2 \).
Find the area of the circle \( x^2 + y^2 = a^2 \).
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The general equation of a circle is \( (x - h)^2 + (y - k)^2 = r^2 \), where \( (h,k) \) is the center and \( r \) is the radius.
Updated On: Feb 27, 2025
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Solution and Explanation
Step 1: Identify radius from equation. The given equation represents a circle with center at \( (0,0) \) and radius \( a \).
Step 2: Use area formula. \[ \text{Area} = \pi a^2 \]
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