Question

in the given figure, AB ||DC, If A = 50°, then measure of LABC is:
(a) 50°
(b) 130°
(c) 100°
D
(d) 80°
​

Answer 1

d)80 degree

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Answer 2

Answer:

B

Step-by-step explanation:

L A + L B = 180

50 + L B = 180

L B = 180 - 50

L B = 130

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