MCQ
Area enclosed by the circle $x^2+y^2=a^2$ is equal to:
  • A
    $2\pi\text{a}^2\text{sq.}\text{ units}$
  • $\pi\text{a}^2\text{sq.}\text{ units}$
  • C
    $2\pi\text{a}\text{ sq.}\text{ units}$
  • D
    $\pi\text{a}\text{ sq.}\text{ units}$

Answer

Correct option: B.
$\pi\text{a}^2\text{sq.}\text{ units}$

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