Answer:
80°
Step-by-step explanation:
as the two lines are parallel ,
by using alternative interior angles properties we get,
x = 80°
ALTER:
80 + z = 180° ------ (linear pair)
z = 100°
70+y=180 ------ (linear pair)
y = 110°
110+a = 180° --------- (linear pair)
a = 70°
100 + 110 + 70 +x = 360° ------ (sum of all angles of quadrilateral add up to 360)
x = 360 - 180
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Answers & Comments
Answer:
80°
Step-by-step explanation:
as the two lines are parallel ,
by using alternative interior angles properties we get,
x = 80°
ALTER:
80 + z = 180° ------ (linear pair)
z = 100°
70+y=180 ------ (linear pair)
y = 110°
110+a = 180° --------- (linear pair)
a = 70°
100 + 110 + 70 +x = 360° ------ (sum of all angles of quadrilateral add up to 360)
x = 360 - 180
x = 80°
Mark as brainliest if you are satisfied with my answer