# 三角形相似 - PowerPoint PPT Presentation

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A3 B.4

C.5 D.6

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4.ABCAC=6BC=4CA=9ABCABCABC12( )

A.16 B.18 C.27 D.24

C.CDB=CABD.ABD=BDC

6-2-2

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A.0 B.1

C.2 D.3

6-2-3

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16-2-4ABCPBC( )

A.3 B.2

C.1 D.3

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(3)6-2-6(1)(6-2-6(2))MN.

6-2-61

6-2-62

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1.6-2-8ABCAED=BDE=6AB=10AE=8C( )

A.154 B.7

C.152 D.245

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A.3 B.4

C.5 D.6

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5.6-2-11ABCDGBCCG=

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A.127 B.32

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