147۰994907 ÷ 2 =73۰99745385. 148۰0140971 ÷ 2 =74۰00704854. The radius of the circle is 74 cm to the nearest cm. Practise pi and working out the circumference of circles with this quiz.

“If you want to find the area of a circle, you take pi times the radius squared—π r. That’s how it originally arose back in ...

Around 250 B.C., the Greek mathematician Archimedes calculated the ratio of a circle's circumference to ... Any calculator will tell you that the square root of 3 is 1.7321. For Archimedes ...

Famous Dave’s: The barbecue chain is celebrating Pi Day with a free slice of Baker’s Square pie with purchases of $10 or more ...