. 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
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OpenStudy (anonymous):
jimthompson5910 (jim_thompson5910):
what is angle G
OpenStudy (anonymous):
97?
jimthompson5910 (jim_thompson5910):
no
jimthompson5910 (jim_thompson5910):
that's angle O
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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
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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
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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?
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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|