Question

Give the answer with explanation.....
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only correct answers will be mark as brainliest and wrong answers will be reported...​

Answer 1

Answer:

120 degree + angleFEB = 180 (co interior angles). angle FEB = 180-120=60

100 °+angleGEC = 180

angleGEC = 180- 100= 80°

Now angle FEB +a + angle GCE = 180(angles on straight line)

60°+a +80 =180

a =180 -140 = 40degree

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