how to solve this question pls tell the answer is 20 but how to solve
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Answered by
1
Answer:
answer is b)20
Explanation:
5×20=100
80+90+10=180
Answered by
0
ABD is a linear pair
sum of all angles on linear pair =180
now we can go through options
5x=5×20=100
another angle=180-1st angle
=180-100
=80
Let's check
100+80=180
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