Mathematics
Junior High
Resolved
這一題要怎麼算…
( )10.如右圖,阿堂
將一張直徑為
PA
16公分圓形紙
QB
張先左右對摺後,再將AB中點C向右摺,使
得C點與AB中點O重疊,則PQ=?
(A) 4/2
(B) 4/3
(C) 8√2
(D) 8/3
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