(本題滿分9分)如圖,在中,,,把邊長(zhǎng)分別為個(gè)正方形依次放入中,請(qǐng)回答下列問(wèn)題:
(1)按要求填表

(2)第個(gè)正方形的邊長(zhǎng)       
(3)若是正整數(shù),且,試判斷的關(guān)系.
(1)·············································································· 6分
(2).························································································· 8分
(3)
····································································· 10分
.·············································································· 11分
.·················································································· 12分
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