Question 34781
The sum of interior angles of any polygon = 180*(# of sides - 2)

In this case, the sume = 180*(4-2) = 360

let two smaller angles = x degree each,
then , the two bigger anlges will be 2x-27 degrees

adding them all, we get

2(x) + 2(2x-27) = 360,
solve for x, you get

smaller angle = x = 51 degrees