Answer:
it's answer is 33°
Step-by-step explanation:
116° + 31° + m<1 = 180° [being sum of angles of triangle ]
147° + m< 1 = 180°
m<1 = 180° - 147°
m<1 = 33°

Rules for rounding is if the previous place is 5 or more, you round up. If it is less than 5, you round down. The thousandths place is five, so you would round up. Now you would also round the ones, since the tenths is at 9. So it would be 60.0
The total amount in dollar that the painter charged for painting the room is 325 dollars because 25 times 13 equal 325 dollars.
Set height to x, then length of base is x+3, Area formula says that
0.5*x*(x+3)=44, x(x+3)=88, x=8, x+3=11, which is the length you are looking for (11cm)