two consecutive angles of a parallelogram are (x+60) and (2x+30).what is the special name given to the parallelogram?

Sum of two consecutive angles in a ||gm = 1800
x + 60 + 2x + 30 = 180 
3x + 90 = 180
3x = 90
x = 300
So by putting the value of x in x + 60 and 2x + 30 , we get both the angles as 900
So each angles will be 90 . So this ||gm is a rectangle.

 

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