Respuesta :
Answer:
109
Step-by-step explanation:
every straight line equals 180 so the sum of the angles should add up to 180
180-71= 109
side note- interior angles add up to 180
Answer:
109
Step-by-step explanation:
every straight line equals 180 so the sum of the angles should add up to 180
180-71= 109
side note- interior angles add up to 180