marcoduuuh
The two triangles illustrated below are similar. What are the values of x and y?
A. x = 15, y = 12
B. x = 2.4, y = 30
C. x = 15, y = 75
D. x = 15, y = 30
(Picture below.)
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marcoduuuh
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marcoduuuh
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x=15
binarymimic
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right
marcoduuuh
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I don't know how to find out y though. ):
binarymimic
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corresponding angles of similar triangles are equal, by definition
binarymimic
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so whichever angle corresponds to y is equal to y
marcoduuuh
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Wait, so it's D?
binarymimic
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oh, yeah. it is!