find the sum of the interior angle of any quadrilateral by dividing it into two triangles
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hope this help .. consider angle of qudillateral are A ,B , 5 and 3
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A=12|x1y2+x2y3+x3y4+x4y1−x2y1−x3y2−x4y3−x1y4| ...can be used as a formula
Arya18Pandey:
Sorry wrote the wrong answer...this is the formula for calculating area
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