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15. In the given figure, O is a point in the interiorof square ABCD such that AOAB is anequilateral triangle. Show that AOCD is anisosceles triangle.seen atD, as showthe imageas the obje24 In the acne can |
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Answer» Given:OAB is equilateral triangle. to prove:OCD is an isosceles triangle. construction:from point O, draw line from O to the points A,B,C,D. proof:line AC & BD are 2 diagonals equal. point O bisects all the diagonals. thus,AO=BO=CO=DO...CO is same as DO which proves that, OCD is isosceles. |
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