7.3 Showing Triangles are Similar AA

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7.3Showing Triangles are SimilarAA

• 3/12 and 3/13

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AA Postulate If two angles of one triangle are
congruent to two angles of another triangle, then
the two triangles are similar.
WORDS
PICTURE
SYMBOLS
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Determine whether the triangles are similar. If
they are similar, write a similarity statement
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?FGS ? ?JLK
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Are you given enough information to show that
?RST is similar to ?RUV? explain
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By the reflexive property ? R ? ?R
Therefore, by the AA Similarity Postulate
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Determine whether the triangles are similar. If
they are similar, write a similarity statement
No they are not similar.
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45
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Find the value of x?ABD ? ?EBC
x 3
12x 36
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Find the value of x
55x 1980
X 36