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Mathematics 12 Online
OpenStudy (anonymous):

Indicate the method you would use to prove the two's . If no method applies, enter "none". SSS SAS ASA AAS NONE

ganeshie8 (ganeshie8):

could u take a screenshot and attach plz

OpenStudy (anonymous):

yes.(:

ganeshie8 (ganeshie8):

thnk you :)

OpenStudy (anonymous):

ganeshie8 (ganeshie8):

first triangle : lets move around the triangle. begin from one angle, say, 60

OpenStudy (anonymous):

I have alot of these will you explain to me how to do them please!(:

ganeshie8 (ganeshie8):

sure, if we start from Angle 60, and move, next comes Angle 40, right ?

OpenStudy (anonymous):

right.

ganeshie8 (ganeshie8):

and next comes Side 10. so first trianlgle has, Angle-Angle-Side : 60-40-10

ganeshie8 (ganeshie8):

Now, lets move around the second triangle

ganeshie8 (ganeshie8):

if we get the same sequence, then the both triangles are same/congruent

ganeshie8 (ganeshie8):

second triangle : start at Angle 60

ganeshie8 (ganeshie8):

move around, what Angle comes next ?

OpenStudy (anonymous):

I'm so confused! lol!

ganeshie8 (ganeshie8):

ok im not explaining well

OpenStudy (anonymous):

no, i'm just a blonde haha.

OpenStudy (anonymous):

so what would this triangle be?

ganeshie8 (ganeshie8):

lol, we need to move around the triangle, and see if we get same order : 60-40-10 again.

ganeshie8 (ganeshie8):

if u look at the second triangle, if we start from Angle 60, next comes Angle 40, next comes Side 10. so second triangle has, Angle-Angle-Side : 60-40-10

ganeshie8 (ganeshie8):

is it same as we got for first triangle ?

OpenStudy (anonymous):

okay. got that

ganeshie8 (ganeshie8):

great ! if we get the same order, when we move around the triangle, then the two triangles are congruent

ganeshie8 (ganeshie8):

here since the order is Angle-Angle-Side, we say the triangles are congruent by AAS

OpenStudy (anonymous):

thank you so much!!

ganeshie8 (ganeshie8):

np :) do few more problems. you would get hang of these.. good luck !

OpenStudy (anonymous):

The diagonals of a rhombus are perpendicular. always sometimes or never?

ganeshie8 (ganeshie8):

|dw:1349068954415:dw|

ganeshie8 (ganeshie8):

rhombus has all 4 sides equal right

OpenStudy (anonymous):

yes.

ganeshie8 (ganeshie8):

|dw:1349069076667:dw|

ganeshie8 (ganeshie8):

thats one diagonal

ganeshie8 (ganeshie8):

lets draw the second diagonal, and see if it cuts this guy at 90-if it does, lets figure out why

ganeshie8 (ganeshie8):

|dw:1349069151154:dw|

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