2.25! Just do 2.4- 0.15= 2.25, im sorry if its not what you wanted!
<h3>Solution :</h3>

By cross multiply, we get






Therefore, answer is 
In a rhombus opposite angles are equal and all 4 add up to 360
assuming one angle is 53, the opposite angle will also be 53 and then adjacent angles will be (360 - (53 x 2))/2 = 254/2 = 127*(deg)
I think the answer you're looking for is 127