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Answer 1- there is a formula for finding the total sum of all interior angles. it is (n-2)*180..... n are the no. of sides here there are 4 sides so the total sum of all interior angles will be 360 the ratio is given m:n:o:p as 2:2:1:1 so we will write it as 2x + 2x +1x+1x=360 6x=360 x=360/6=60 x=60 now that we know the value of x, we can find values of angles easily.

we get, <m=2x=2*60=120degree <n=120degree <o=60 degree <p=60 degree so according to the answer, the quadrilateral formed is a trapezium.