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Mathematics 19 Online
OpenStudy (anonymous):

. Determine whether each pair of triangles is similar. If similarity exists, write a congruency statement relating to the two triangles. Give a justification for your answer. (Points : 2) GTO~FUNusing the Side-Angle Similarity Postulate. GOT~NUF using the Side-Side-Angle Similarity Postulate. GOT~FNUusing the Side-Angle Similarity Postulate. GOT~FUNusing the Angle-Angle Similarity Postulate. @jim_thompson5910

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

what is angle G

OpenStudy (anonymous):

97?

jimthompson5910 (jim_thompson5910):

no

jimthompson5910 (jim_thompson5910):

that's angle O

OpenStudy (anonymous):

37

OpenStudy (anonymous):

32

jimthompson5910 (jim_thompson5910):

all 3 angles must add to 180

jimthompson5910 (jim_thompson5910):

97+32 + G = 180 solve for G

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

@jim_thompson5910 i got 51

jimthompson5910 (jim_thompson5910):

better

OpenStudy (anonymous):

now whats nect

jimthompson5910 (jim_thompson5910):

now use this idea to find angle F

OpenStudy (anonymous):

next

OpenStudy (anonymous):

is tht a 180 degree too?

jimthompson5910 (jim_thompson5910):

oh I guess you'll get the same answer so that means that F = 51

jimthompson5910 (jim_thompson5910):

all 3 angles are the same so the two triangles are definitely similar

OpenStudy (anonymous):

ok now what

OpenStudy (anonymous):

so its A?

jimthompson5910 (jim_thompson5910):

now just match up the angles so here's the first triangle |dw:1361845796384:dw|

jimthompson5910 (jim_thompson5910):

draw a bigger triangle around it that's similar by matching up the angles |dw:1361845855695:dw|

jimthompson5910 (jim_thompson5910):

does that help show you the answer?

OpenStudy (anonymous):

|dw:1365135959267:dw|

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