Answer:
25%
Explanation:
Let the small circle radius = r
the area of 2 small circles
= 2 × πr²
= 2πr²
the radius of big circle = 2r
the area of big circle
= π(2r)²
= 4πr²
the purple area
= 1/2 × (big circle - 2 small circles)
= 1/2 × (4πr² - 2πr²)
= πr²
percentage of purple area
