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Plz help, what is the value of b?
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Plz help, what is the value of b?

Plz help, what is the value of b?-example-1
User Israel Unterman
by
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1 Answer

4 votes

By HS Postulate, Triangle EFC = Triangle EDC.

Angle FEC = Angle DEC by CPCTC

2b = b + 7 (subsitutional)

2b - b = b + 7 - b (subtract)

b = 7 (combining like terms)

User Yoriz
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