The five lines of a star pentagram is 10 cm. Find the radius of the cricle that will circumscribe the pentagram.

I thought the answer would be 5cm because the diameter had to 10 right? But I checked the answer page and the answer was 5.3cm.

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- March 8th 2010, 03:14 PMbrownjoviFinding radius of circle
The five lines of a star pentagram is 10 cm. Find the radius of the cricle that will circumscribe the pentagram.

I thought the answer would be 5cm because the diameter had to 10 right? But I checked the answer page and the answer was 5.3cm. - March 8th 2010, 03:39 PMVertazontal
The total length of all five lines is 10cm?

- March 8th 2010, 03:50 PMbrownjovi
- March 8th 2010, 04:02 PMVertazontal