57 3/4 divided by 5 1/4 =
231/4 divided by 21/4 =
231/4x4/21=231/21=11
X: 90 degrees. y: 43 degrees
We know that x is a right angle. The way we find y is to add 47 + 90 which gives us 137. We also know that a right triangle adds up to 180. So, we subtract 137 from 180. This means that y would be 43 degrees.
Answer:
129 :)
Step-by-step explanation: