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aliina [53]
3 years ago
9

I need to find x pls help

Mathematics
1 answer:
jasenka [17]3 years ago
3 0
X = 120 degrees

Explanation:

Draw the line BC

(Angle DBC is 90 degrees because it is an angle in a semicircle.)
Angle DBC = 90 degrees

Angle ABC = Angle ABD + Angle DBC = 30 + 90 = 120 degrees
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