2 Answers
The distance around a circle is called its circumference. The distance across a circle through its center is called its diameter. We use the Greek letter (pronounced Pi) to represent the ratio of the circumference of a circle to the diameter. In the last lesson, we learned that the formula for circumference of a circle is: . For simplicity, we use = 3.14. We know from the last lesson that the diameter of a circle is twice as long as the radius. This relationship is expressed in the following formula: .
13 years ago. Rating: 1 | |
Top contributors in Mathematics category
Unanswered Questions
OK9
Answers: 0
Views: 13
Rating: 0
Thái Writer
Answers: 0
Views: 13
Rating: 0
F168
Answers: 0
Views: 9
Rating: 0
Nội thất trường học
Answers: 0
Views: 47
Rating: 0
Nổ Hũ Nổ Hũ
Answers: 0
Views: 55
Rating: 0
8K8 – Join In Your Ultimate Slot Destination To Receive ₱188
Answers: 0
Views: 114
Rating: 0
go8: Diem den ly tuong cho cuoc thu muon choi nhanh, gon, de trung
Answers: 0
Views: 128
Rating: 0
88betcoin
> More questions...
Answers: 0
Views: 138
Rating: 0