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: .
| 14 years ago. Rating: 1 | |
Top contributors in Mathematics category
Unanswered Questions
winrarysb0
Answers: 0
Views: 16
Rating: 0
VSBET88
Answers: 0
Views: 16
Rating: 0
1Jjlinkcom
Answers: 0
Views: 16
Rating: 0
fu88teamm
Answers: 0
Views: 18
Rating: 0
556betnowcom
Answers: 0
Views: 17
Rating: 0
VIP 캐피탈 펀딩을 선택하는 이유?
Answers: 0
Views: 10
Rating: 0
preventcovidu22
Answers: 0
Views: 15
Rating: 0
Jun88online
> More questions...
Answers: 0
Views: 14
Rating: 0
NikkiNicole
daren1
Liddy