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Mathematics 7 Online
OpenStudy (devonhoward15):

A conjecture and the two-column proof used to prove the conjecture are shown.

OpenStudy (devonhoward15):

OpenStudy (devonhoward15):

@3mar @563blackghost

OpenStudy (devonhoward15):

can we start with 2? and you tell me if my choice is right

563blackghost (563blackghost):

Yes sure ^.^

OpenStudy (devonhoward15):

2- m angle1+m angle2

563blackghost (563blackghost):

Correct :)

OpenStudy (devonhoward15):

4- m angle 1+m angle 3

OpenStudy (devonhoward15):

wait thats 5

OpenStudy (devonhoward15):

i think

563blackghost (563blackghost):

Not quite. Since it shows that `BD bisects ABC` that would mean that `angle 2 is equal to angle 3` due to the fact that `BD bisects ABC` which would mean we would reason with `definition of bisect` :)

563blackghost (563blackghost):

Tongue twister :P

OpenStudy (devonhoward15):

and that angel one is 5 right?

563blackghost (563blackghost):

yup :)

OpenStudy (devonhoward15):

and 6 is angle congruence postulate

OpenStudy (devonhoward15):

563blackghost (563blackghost):

Im not so sure about the last one :( but the rest Im 100% sure :)

OpenStudy (devonhoward15):

the last one is the only one left

OpenStudy (devonhoward15):

thanks... can you help me with one more?

563blackghost (563blackghost):

sure :)

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