Answer:
50°
Step-by-step explanation:
The internal angles on a quadrilateral sum to 360.
So x+10+2x+x+3x=360
7x+10=360
7x=350
x=50
The answer is C 35+12<em>c</em> ≤ 145
It's English and it's in a book
g
x goes to f m to 5 :-)
yeah....same!
