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Mathematics 8 Online
OpenStudy (anonymous):

how do you find the area of a quadrilateral?

OpenStudy (anonymous):

cut into 3 triangles - then use area of triangle for each.

OpenStudy (anonymous):

and a=pi(r^2)

OpenStudy (anonymous):

The way to find the area of a quadrilateral is to divide it into two triangles and add the areas of the triangles

OpenStudy (anonymous):

he area of a triangle you can find either by the familiar "half the base times the height" expression or by using Heron's Formula.

OpenStudy (anonymous):

no no no herons formula that is a waste of time use law of sines and law of cosines

OpenStudy (anonymous):

thanks everyone

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