ABCD – rectangle, AD = 8 cm, AC = 20 cm.Find the perimeter of the triangle AOD.

univerkov | November 29, 2020 | education

Point O is the intersection point of two diagonals. And they are equal
So AO = OD = 20: 2 = 10
Since AD = 8cm AO = OD = 10cm
So the perimeter will be equal to the sum of all sides, therefore 28 cm

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