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3. If BÉ bisects ZABD, find x and M
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3. If BÉ bisects ZABD, find x and M

3. If BÉ bisects ZABD, find x and M-example-1
User Vagran
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1 Answer

3 votes

Answer:

x=20°

Explanation:

If BE bisects ABD, it means that ABE and EBD have the same amplitude. Now, since ABC are in a straight line, the three angles sum up to 180.


(2x+10)+(2x+10)+(3x+20) = 180\\7x +40=180\\7x = 140 \rightarrow x=20

User Shwethascar
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