Solution:Concept- The question asks you to find the area of a circle with a given radius. To do this, we need to know the formula for the circle, that is, . The formula is simple and you need the radius of the circle to find its area.
The circle of radius
From the question we know it –
Here, we assign the radius value to the square area formula.
The area of a circle is Hence, option 1 is correct.