Answer this question correctly
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Answered by
2
Answer:
D 120
Step-by-step explanation:
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Answered by
3
Answer:
option (d) 120
Step-by-step explanation:
In ΔADB,
A + D + B = 180
55 + 25 + B = 180
B = 180 - 100
B = 80
DBA + DBC = 180. (linear pair)
100 + DBC = 180
DBC = 180 - 100
DBC = 80
80+40=x. (exterior angle property)
x = 120
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