(d)If =m∠ABD30°, and point C is in the interior of ∠ABD, then =m∠ABC18° and =m∠CBD12°.=Counterexample:m∠ABC=, °m∠CBD°
Question
Solution 1
It seems like there's some confusion in your question. However, I'll try to interpret it as best as I can.
Given:
- m∠ABD = 30° (The measure of angle ABD is 30 degrees)
- Point C is in the interior of ∠ABD (This means that angle ABD is split into two angles, ∠ABC and ∠CBD, by point C)
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