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Mathematics 7 Online
OpenStudy (anonymous):

help Which postulate can be used to prove thatand are congruent? Given:andbisects (Points : 2) SAS SSS ASA SSA

OpenStudy (anonymous):

OpenStudy (anonymous):

prove that ABD and CBD are congruent given BD AC and BD bisects AC

OpenStudy (anonymous):

@joemath314159 I PUT MY ANSWER AS B

OpenStudy (anonymous):

@mathstudent55 can u help?

OpenStudy (mathstudent55):

What exactly is the given?

OpenStudy (anonymous):

given BD AC and BD bisects AC

OpenStudy (anonymous):

prove that ABD and CBD are congruent given BD AC and BD bisects AC

OpenStudy (mathstudent55):

What is BD AC as given? I understand the bisect part.

OpenStudy (anonymous):

it looks like this

OpenStudy (mathstudent55):

Oh, ok. They're perpendicular.

OpenStudy (anonymous):

so its B right or wrong

OpenStudy (mathstudent55):

Then by BD being perpendicular to AC, you have angle ADB congruent to angle CDB.

OpenStudy (anonymous):

so wats my answer im lost lol

OpenStudy (mathstudent55):

With BD bisects AC you have AD congruent to CD

OpenStudy (mathstudent55):

BD is congruent to itself

OpenStudy (mathstudent55):

You have a side, an angle, and a side on one triangle congruent to the same parts of another triangle. The triangles are congruent by SAS

OpenStudy (anonymous):

oh so its A thnks ;)

OpenStudy (mathstudent55):

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