Question 13 of 18 in this topic
Difficulty: HardCircles
The radius of Carly’s circle is 2x – 7, and the area of her circle is (16x + 9)π. Which of the following could be the value of x?
Want a deeper, personalized explanation?
Open the app to get an AI-powered explanation tailored to your mistakes.
Open the appRelated questions
- A rectangle is inscribed in a circle, such that each vertex of the rectangle lies on the circumference of the circle. The diagonal of the rectangle is twice the length of the shortest side of the rectangle. The area of the rectangle is 1,089√ 3 square units. What is the length, in units, of the diameter of the circle?
- A circle in the xy-plane has its center at (−1, 1). Line t is tangent to this circle at the point (5, −4). Which of the following points also lies on line t ?
- If the area of a circle is (4x 2 + 20x + 25)π, what is the diameter of the circle?