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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- Mar 8th 2010, 04:14 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. - Mar 8th 2010, 04:39 PMVertazontal
The total length of all five lines is 10cm?

- Mar 8th 2010, 04:50 PMbrownjovi
- Mar 8th 2010, 05:02 PMVertazontal