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Mathematics 8 Online
OpenStudy (anonymous):

Find the area of a circle circumscribed about an equilateral triangle whose side is 18 inches long.

OpenStudy (cwtan):

|dw:1338533294104:dw| I think the centre of triangle = centre of the circle |dw:1338533389305:dw| The triangle is take out from the circle The length of two unknown side is the same and it also = radius Find the angle of unknown side use the side and sine rune to find the radius

OpenStudy (anonymous):

|dw:1338533085915:dw|

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