Answer:
c = 25
Step-by-step explanation:
The sum of interior angles is equal to 360
We have the measures for three of the angles and two angles are represented with c
c + c + 45 + 97 + 83 + 25 = 360 add like terms
2c + 250 = 360 subtract 250 from both sides
2c = 110 divide both sides by 2
c = 55
