Respuesta :

davidmaharjan62

Answer:

the value of x is 50 and the measure of c is 70°

Step-by-step explanation:

x+20+2x-30+40=180 (sum of inside the triangle is 180°)

3x+30=180

3x=180-30

x=150/3

x=50

martacat
C = 70 degrees. The steps are shown in the image below. Hope this helps!
Ver imagen martacat