Answer:
50.007131355
Step-by-step explanation:
A calculator lol?
All the angles of a triangle add up to 180 degrees.
30+39+<4= 180
69+<4= 180
Subtract 69 on both sides.
<4= 111 degrees
<1 and <4 are supplementary and adjacent. They equal 180 degrees as well.
111+<1= 180
<1= 69 degrees
I hope this helps!
<em>~kaikers</em>
Ay^2+2ay-3a
a(y^2+2y-3)
a(y-1)(y+3)
