Mathematics
21 Online
OpenStudy (abbie):
Help with Geometry Question
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OpenStudy (dan815):
yes?
OpenStudy (abbie):
OpenStudy (dan815):
okay we should get rid of the easy to spot congruent ones first
OpenStudy (dan815):
the 2 middle triagles boe and coe are congruent
OpenStudy (anonymous):
3pairs?
AOE and DOE
COE and BOE
ABO and DCO
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OpenStudy (dan815):
no there are more
OpenStudy (dan815):
but go one at a time proove each one to be true
OpenStudy (dan815):
there are around 5 or 6 pair i think
OpenStudy (anonymous):
Nah...
OpenStudy (dan815):
yes
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OpenStudy (anonymous):
Give me more...
OpenStudy (dan815):
boe=coe
AOE=COE
ABE=DCE
OAB=ODC
OBE= OCE <--wih the back connection on the tiny middle triangles
OpenStudy (dan815):
nvm the last one is not tangle to that one i think
OpenStudy (dan815):
woh wait they are
OpenStudy (dan815):
i have feeling there a 6 and 7ths one somewhere
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OpenStudy (anonymous):
Aoe And. Coe are not congruent
OpenStudy (anonymous):
Look carefully
OpenStudy (dan815):
AOE and DOE sry
OpenStudy (anonymous):
Hmmm...there are four...not more than that
OpenStudy (dan815):
therse more
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OpenStudy (dan815):
if i had a mouse itd be easier to show, but let her prove those first xD
OpenStudy (anonymous):
Lol
OpenStudy (abbie):
how do you prove them?
OpenStudy (anonymous):
All of them are congruent by SSS rule
OpenStudy (abbie):
so what is the answer?
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OpenStudy (anonymous):
AOE and DOE
COE and BOE
ABO and DCO
ABE and DCE
4 pairs
OpenStudy (abbie):
and what is the proof that they are congruent?
OpenStudy (dan815):
okhi sorry i was busy
OpenStudy (dan815):
i will show you the triangles that i think are congruent i might be getting coneection wrong.. but i keep counting 6
OpenStudy (anonymous):
Look at the corresponding sides of the triangle....
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OpenStudy (anonymous):
Tangents from a circle to a point are equal in length
OpenStudy (dan815):
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