Geometry
8 Online
OpenStudy (anonymous):
G is the incenter of Δ ABC.
m∠A = 55
m∠B = 70
m∠C = 55
What is the m∠ABF?
25
35
27.5
40
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OpenStudy (anonymous):
Here is the picture
OpenStudy (anonymous):
I am confused can anyone please help me?
OpenStudy (anonymous):
i'm trying
OpenStudy (anonymous):
hey did u draw the circle passing through D, E, & F????
OpenStudy (anonymous):
Yeah I was trying to do it but keep confusing myself.
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OpenStudy (anonymous):
|dw:1365104487220:dw|
U see that AB, BC, & CA are the tangents and radius is always perpendicular to a tangent
OpenStudy (anonymous):
|dw:1365104650036:dw| sorry E and F interchanged
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
SO in triangle ABF angle F=90 angle A=55 find angle ABF using property that sum of angles of triangle = 180
OpenStudy (anonymous):
Is the answer 35
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OpenStudy (anonymous):
first plzz give it a try urself
OpenStudy (anonymous):
I am getting 35. Is that correct?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Ok I thought so thank you for explaining it to me. :)
OpenStudy (anonymous):
ur welcum n thnxx fr medal
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OpenStudy (anonymous):
You are very welcome, anytime. :)