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Mathematics 9 Online
OpenStudy (anonymous):

In this triangle, what is the measure of the exterior angle?

OpenStudy (anonymous):

|dw:1372183100286:dw|

ganeshie8 (ganeshie8):

easy, find the interior angles first

ganeshie8 (ganeshie8):

|dw:1372183480043:dw|

ganeshie8 (ganeshie8):

dahses on sides mean, they are equal.

ganeshie8 (ganeshie8):

when sides are equal, angles opposite to them also will be equal.

OpenStudy (anonymous):

52 all around ?

ganeshie8 (ganeshie8):

use triangle sum property and find x

ganeshie8 (ganeshie8):

52+x+x = 180

ganeshie8 (ganeshie8):

solve x

ganeshie8 (ganeshie8):

can u triangle hater :)

OpenStudy (anonymous):

nope still confused

ganeshie8 (ganeshie8):

52+x+x = 180

OpenStudy (anonymous):

64

ganeshie8 (ganeshie8):

combine x's in left hand side, and tell me wat u get

ganeshie8 (ganeshie8):

yes, x = 64

ganeshie8 (ganeshie8):

why do u say, you're confused.... you're very good lol

OpenStudy (anonymous):

i doubt tht so the answer is 64

ganeshie8 (ganeshie8):

|dw:1372183809207:dw|

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