In the figure, L is the centre of the circle, and ML is the perpendicular to LN. If the area of the triangle MLN is 36, then the area of the circle is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 72 π.
| Understanding | Application |
|
In the given triangle radius of the circle is the height and base of the triangle because it is a right-angle triangle. Area of triangle = (1/2) base x height |
Area of triangle = (1/2) r x r = 36 r2=36 x 2 Area of circle = π r2 = π x 36 x 2 = 72π |