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Mathematics 18 Online
OpenStudy (anonymous):

PLEASEEEEE HELPPPPP w/AttachedPhoto

OpenStudy (anonymous):

ganeshie8 (ganeshie8):

remember the definition of incenter ? :)

ganeshie8 (ganeshie8):

incenter : is the meeting point of angle bisectors

OpenStudy (anonymous):

The center of the incircle

OpenStudy (anonymous):

Or yeah

ganeshie8 (ganeshie8):

based on the def, can we find the angles A and B ?

OpenStudy (anonymous):

Yep

ganeshie8 (ganeshie8):

lets find them first

OpenStudy (anonymous):

A=64

ganeshie8 (ganeshie8):

then we can use the triangle sum property to find C

OpenStudy (anonymous):

c=74

ganeshie8 (ganeshie8):

Perfect ! A = 64 wat about B

ganeshie8 (ganeshie8):

Correct ! wat about C :)

OpenStudy (anonymous):

I meant b ;3

ganeshie8 (ganeshie8):

i read it as B lol :)

OpenStudy (anonymous):

xD and c=42

ganeshie8 (ganeshie8):

Yes C = 42 but the question is not asking about C

OpenStudy (anonymous):

Got it the triangle is 127

ganeshie8 (ganeshie8):

question is asking about angle DCA since DC is the angle bisector DCA = ?

OpenStudy (anonymous):

DCA=127

OpenStudy (anonymous):

Simple huh

OpenStudy (anonymous):

Thanks :D

ganeshie8 (ganeshie8):

hey no

ganeshie8 (ganeshie8):

hold up

OpenStudy (anonymous):

;o

ganeshie8 (ganeshie8):

angle DCA = angle C / 2 = 42/2 = 21

OpenStudy (anonymous):

21 whoops

OpenStudy (anonymous):

Yep

ganeshie8 (ganeshie8):

good :) just have a look at representing angle using 3 letters maybe when u have time :)

OpenStudy (anonymous):

GOt it thanks ;3

ganeshie8 (ganeshie8):

u wlc (:

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