In the triangle ABC, angles A, B and C are 100 degree, 50 degree and 30 degree respectively. Find the measure of the exterior angle ABD, where D is a point on the side CB extended.
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Answered by
1
Step-by-step explanation:
angle ABC angle ABD = 180......
( angle lie on same line. )
50° + angle ABD = 180 °
angle ABD = 180 - 50
= 130° .. angle ABD
Answered by
1
Answer:
150
Step-by-step explanation:
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