The measure of three angles of a quadrilateral is 80°, 40° and 100°. Find fourth angle. *
Answers
Answered by
1
Answer:
140 is the answer ok follow me
Answered by
2
Answer:
140
Step-by-step explanation:
total angle of quadrilateral = 360
let the fourth angle be x
x + 80+40+100 =360
x + 220 = 360
x = 140
the fourth angle is 140 °
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