DSQ: Calculating the area of a circle
Practice Questions
GMAT Quantitative Reasoning › DSQ: Calculating the area of a circle
What is the area of the gray region in the above figure?
Statement 1: The diameter of the larger circle is one mile.
Statement 2: The radius of the smaller circle is 1,320 feet.
You are given a circle and a square. Which one has the larger area?
Statement 1: The radius of the circle is two-thirds the sidelength of the square.
Statement 2: The circumference of the circle is 
Two circles are constructed; one is inscribed inside a given regular hexagon, and the other is circumscribed about the same hexagon.
What is the area of the inscribed circle?
Statement 1: The area of the circumscribed circle is
Statement 2: The perimeter of the hexagon is 30.
Data Sufficiency Question
Calculate the area of a circle.
1. The radius of the circle is 4.
2. The circumference of the circle is 24.
You are given a circle and an equilateral triangle. Which one has the greater area?
Statement 1: The sidelength of the triangle is three times the radius of the circle.
Statement 2: The perimeter of the triangle is 99 inches.