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Find the area of square ABCD where coordinates of A,B,C,D are [0,0],[1,2],[2,5] and [1,4] respectively. |
Answer» "" ❤️ Answer ❤️ ""AREA of quadrilateral ABCD = Area of traingle ABC + Area of TRIANGLE ACD Area of triangle = 2 1 [x 1 (y 2 − y 3 3 x 2 y 1 1 x 3 y 2 Area of triangle ABC = 2 1 [1(−3− 2)+ 7(2− 1)+ 12(1+ 3)]
= 24 square units Area of triangle ACD = 2 1 [1(2− 21)+ 12(21− 1)+ 7(1− 2)]
= 107 square units Therefore, area of quadrilateral ABCD = 25+ 107= 132 sq. units ☺️ Always KEEP smiling ☺️ |
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