Answer: x = 6
x+x=19-7
2x=12
Hence the answer is x=6
The answer is 90, Because angle D is a 90 degree angle, and 180- 90=90, so the answer is 90.
The answer to the following equation is the first one.
2 1/2, 3, 3 1/2, 4, 4 1/2, 5
I hope this helped!!:)
