Question 7 1. To find the diameter of a circle the radius by two 2. The number of square units that covers the inside of a circle is the 3. To find the area of a circle, you need to know the measure of its 4. A circle's radius is the distance form the edge to the 5. To find the radius, the diameter of the circle by two 6. To find the area of a circle use the formula 7. A common value for is 3.14 8. To find the circumference of a circle use the formula Que