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Mathematics 18 Online
OpenStudy (highschoolmom2010):

help please

OpenStudy (highschoolmom2010):

OpenStudy (highschoolmom2010):

OpenStudy (cwrw238):

are the 2 triangles congruent?

ganeshie8 (ganeshie8):

When two triangles are congruent - it means, all corresponding angles are congruent, and all corresponding sides are congruent. in short - all corresponding things are congruent.

OpenStudy (highschoolmom2010):

yes

ganeshie8 (ganeshie8):

for the second part of q, look at triangle DBE

ganeshie8 (ganeshie8):

In that, \(\angle E = 81\)

OpenStudy (highschoolmom2010):

<e

ganeshie8 (ganeshie8):

thats the oly thing given in that triangle.

OpenStudy (highschoolmom2010):

yes

ganeshie8 (ganeshie8):

look at triangle BAC, we are given \(\angle B = 51\)

ganeshie8 (ganeshie8):

since \(\angle A = x+5\) has x in it, we need to find it, we dont know the actual measure yet.

OpenStudy (highschoolmom2010):

yea

ganeshie8 (ganeshie8):

for the third part :-

OpenStudy (highschoolmom2010):

ok

ganeshie8 (ganeshie8):

ganeshie8 (ganeshie8):

click the pic, those two are vertical angles. they are equal

OpenStudy (highschoolmom2010):

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