Answer:
m angle A=120° and m angle C=45°
Step-by-step explanation:
15x+45°=180°
15(x+3)=180°
x+3=12°
x=9°
Answer:
you should know that the right angle equals 90 degrees. you need to add the 90 to the 39 degrees. Then with that answer subtract by 180 since the angles of a triangle equals 180 degrees.
Step-by-step explanation:
18/ 100 is your answer
18.46 / 100 to be exact
hope this helps
to get a fraction, move the decimal over twice, and put it over 100