Angle sum theorem - what does y equal? will give brainliest!

The sum of the 3 inside angles of a triangle need to equal 180.

Y = 180 - 90 - 48 = 42 degrees.

See attached picture:

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

hope this ^_^