C is 20 degrees. Pls mark brainliest
Answer:
The answer is 88.
Step-by-step explanation:
68+81+74+89+x/5=80
312+x/5=80
312+x=80*5
312+x=400
x=400-312
x=88
Answer:
x+80=70°(exterior alternate angles)
x=70-80
x=-10
Answer:
A = (5, 3), so the x-value is 5
Step-by-step explanation: