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Mathematics 15 Online
OpenStudy (anonymous):

if two vertices of an equilateral triangle are (2,3) and (5,3) then the area of the triangle is?

OpenStudy (chihiroasleaf):

find the length of the side first..., hint: use the distance formula

OpenStudy (anonymous):

it is 3

OpenStudy (anonymous):

reply plz

OpenStudy (chihiroasleaf):

so the length of the side of equilateral triangle is 3.., since it's equilateral triangle then all of the side is equal in length you can use this formula to find the area |dw:1351342527975:dw|

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