Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to calculate the circumference of a circle [title] Write down the formula for finding the circumference of a circle using the diameter. [step] The formula is simply this :. In this equation, " c " represents the circumference of the circle, and " d " represents its diameter.

Ending1: [substeps] Find a circular point at the right edge of your circle using a small pencil. Place a small dot in the line between the two points to find the radius. Ending2: The formula for finding the circumference of a circle is after calculating its diameter in kilograms which equals the circumference of the circle. [substeps] To find the density of a circle, multiply 100 by 2. Ending3: That is to say, you can find the circumference of a circle just by multiplying the diameter by pi. Plugging π into your calculator will give you its numerical value, which is a closer approximation of 3.14 or 22/7. Ending4: [title] Calculate the radius of the circle using the diameter formula. [step] In this equation, " a " means the radius of the circle, while " b " means the circumference of the circle.

Answer format: ending1/ending2/ending3/ending4