Step-by-step explanation:
I don't exactly know what you're trying to say, but I'm guessing it's an addition question, so...
8 10 15
+2 3 5
10 13 20
Could you send a picture of the question
First, find the relationship of the circumference to its diameter by finding that the length of the diameter wraps around the length of the circumference approximately π times. Use this relationship to writing an equation showing the ratio of circumference to diameter equaling π. Then rearrange the equation to solve for the circumference. Substitute the diameter for 2 times the radius
