Answer:
a) 100 degree
b) 100 degree
Step-by-step explanation:
Sum of all the angles of a quadrilateral = 360 degree
a) 360 = x + 140 + 80 + 40
360 = x + 260
x = 360 - 260
= 100 degree
b) 360 = x + 100 + 105 + 55
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Answers & Comments
Answer:
a) 100 degree
b) 100 degree
Step-by-step explanation:
Sum of all the angles of a quadrilateral = 360 degree
a) 360 = x + 140 + 80 + 40
360 = x + 260
x = 360 - 260
= 100 degree
b) 360 = x + 100 + 105 + 55
360 = x + 260
x = 360 - 260
= 100 degree