Answer:
sum of angles in atriangle=180°
Step-by-step explanation:
w-45°+w-37°+w+19°=180°(sum of angles in a triangle)
3w=180°+45°+37°-19°
3w=243°
w=81°
y = 5/2x -15
5x - 2y = 30
-2y = -5x + 30
y = x -15
Yes
Because the circle is divided into 4 parts, and 3 out of 4 of the parts are shaded.
lol how much??????.......
