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Mathematics 21 Online
Gucchi:

Ray BD bisects angle ABC. To prove angle ABD and angle CBD are congruent using a proof by contradiction, what is the assumption statement that starts the proof? Angle ABD and angle CBD are adjacent angles. Angle ABD and angle CBD are supplementary angles. Angle ABD and angle CBD are not complementary. Angle ABD and angle CBD are not congruent.

Gucchi:

am i right with A?

Gucchi:

@extrinix

Gucchi:

im not sure abt this one

Gucchi:

i mean its not D right?

Gucchi:

why?

Vine:

Explain?

Vine:

How did you get that??

Gucchi:

@vine wrote:
Explain?
yeah exactly

AxL1nna:

@gucchi wrote:
am i right with A?
I believe so because A. seems to make more sense than the options due to ABD and CBD being adjacent angles.

Gucchi:

@axl1nna wrote:
@gucchi wrote:
am i right with A?
I believe so because A. seems to make more sense than the options due to ABD and CBD being adjacent angles.
yeah but how do yk if they are adjacent?

Gucchi:

would they be congruent?

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