one体育еҰӮеӣҫ,еңЁдёүжЈұжҹұABC-A1B1C1дёӯ,AA1вҠҘеә•йқўABC,дё”в–іABCдёәзӯүиҫ№дёүи§’еҪў,AA1=AB=6,DдёәACзҡ„дёӯзӮ№1)жұӮиҜҒ:зӣҙзәҝAB1вҲҘе№ійқўBC1D2)жұӮиҜҒ:е№ійқўBC1DвҠҘе№ійқўACC1A13)жұӮдёүжЈұй”ҘC-BC1Dзҡ„дҪ“з§Ҝ等边三棱柱的体积(дone体育ёүжЈұжҹұзҡ„дҪ“з§Ҝе…¬ејҸ)2гҖҒдёүжЈұжҹұдҪ“з§Ҝе…¬ејҸжҳҜ:V=SH,дҪ“з§Ҝ=еә•йқўз§ҜГ—й«ҳ,еә•йқўз§Ҝ=дёүи§’еҪўзҡ„еә•Г—й«ҳГ·2еӣдёәдёүжЈұжҹұд№ҹеҸҜй»ҳи®ӨдёәдёүйқўдҪ“жҲӘеҺ»2дёӘйЎ¶зӮ№,ж•…еҸҲз§°жҲӘи§’дёүйқўдҪ“,жӯӨеӨ–еӣдёәжӯЈдёүжЈұжҹұе…·жңүеҜ№з§°жҖ§,дё”з”ұ2з§ҚжӯЈеӨҡиҫ№еҪўз»„

1、(4еҲҶ2015вҖўдёҠжө·)иӢҘжӯЈдёүжЈұжҹұзҡ„жүҖжңүжЈұй•ҝеқҮдёәa,дё”е…¶дҪ“з§Ҝдёә163,еҲҷa=зҹҘиҜҶеҪ’зәі:жЈұй”Ҙзҡ„з»“жһ„зү№еҫҒ.еҗҚеёҲеҲҶжһҗ:з”ұйўҳж„ҸеҸҜеҫ—(12вҖўaвҖўaвҖўsin60В°)вҖў

2、и§ЈжһҗиҜ•йўҳеҲҶжһҗ:вҲөжӯЈдёүжЈұжҹұзҡ„еә•йқўжӯЈдёүи§’еҪўиҫ№й•ҝдёә2,дҫ§жЈұй•ҝдёә3,вҲҙиҖғзӮ№:жң¬йўҳиҖғжҹҘдәҶжӯЈдёүжЈұжҹұзҡ„жҖ§иҙЁеҸҠдҪ“з§Ҝе…¬ејҸзӮ№иҜ„:зҶҹи®°жӯЈдёүи§’еҪўзҡ„йқўз§Ҝе…¬ејҸеҸҠжӯЈдёүжЈұжҹұзҡ„дҪ“з§Ҝе…¬ејҸжҳҜи§ЈеҶіжӯӨзұ»й—®йўҳзҡ„е…ій”®дёҖйўҳдёҖйўҳжүҫзӯ”жЎҲи§Јжһҗ

3、152***7882пјҡжң¬йўҳзҡ„е…ій”®жҳҜжұӮеә•йқўзӯүиҫ№дёүи§’еҪўзҡ„йқўз§Ҝ.еҰӮжһңдёҖдёӘзӯүиҫ№дёүи§’еҪўзҡ„иҫ№й•ҝжҳҜa,йӮЈд№Ҳе®ғзҡ„йқўз§Ҝе°ұжҳҜaзҡ„е№іж–№д№ҳд»ҘеӣӣеҲҶд№Ӣж№еҸ·дёү.пјҲa²вҲҡ3пјҸ4пјүпјҲ1пјүдҫ§йқўз§Ҝпјҡ6cmГ—9

4、гҖҗйўҳзӣ®гҖ‘еҰӮеӣҫ,еңЁдёүжЈұжҹұABC-A_1B_1C_1дёӯ,еә•йқўв–іABCжҳҜзӯүиҫ№дёүи§’еҪў,дё”AA_1вҠҘе№ійқўABC,DдёәABзҡ„дёӯзӮ№BEB1(I)жұӮиҜҒ:зӣҙзәҝBC1|вҖ–е№ійқўA_1CD;1)иӢҘAB=BB1=2,EжҳҜBB1зҡ„дёӯзӮ№,жұӮдёүжЈұй”ҘA_1

5、4B1д№Ӣ(жң¬е°Ҹйўҳж»ЎеҲҶ12еҲҶ)еңЁдёүжЈұжҹұABC-A1B1C1дёӯ,дҫ§жЈұAA1вҠҘеә•йқўABC,жҳҜзӯүиҫ№дёүи§’еҪў1)еңЁжЈұACдёҠжҳҜеҗҰеӯҳеңЁдёҖзӮ№M,дҪҝзӣҙзәҝAB1//е№ійқўBMC1,иҜ·иҜҒжҳҺдҪзҡ„з»“и®ә2)и®ҫDдёәACзҡ„дёӯзӮ№,PдёәAB1дёҠзҡ„еҠЁ

6、еҰӮеӣҫ,ж–ңдёүжЈұжҹұдёӯ,дҫ§йқўеә•йқўABC,еә•йқўABCжҳҜиҫ№й•ҝдёә2зҡ„зӯүиҫ№дёүи§’еҪў,дҫ§йқўжҳҜиҸұеҪўEгҖҒFеҲҶеҲ«жҳҜгҖҒABзҡ„дёӯзӮ№.жұӮиҜҒ12)жұӮдёүжЈұй”Ҙзҡ„дҪ“з§Ҝ.иҜ•йўҳзӯ”жЎҲеңЁзәҝиҜҫзЁӢ(1)иҜҒжҳҺиҜҰи§Ғи§Јжһҗ2

жҹҗеӨҡйқўдҪ“зҡ„дёүи§Ҷеӣҫ(еҚ•дҪҚ:cm)еҰӮеӣҫжүҖзӨә,еҲҷжӯӨеӨҡйқўдҪ“зҡ„дҪ“з§ҜжҳҜA.B.C.D.дёүжЈұжҹұзҡ„дҫ§жЈұдёҺеә•йқўеһӮзӣҙ,дё”еә•йқўжҳҜиҫ№й•ҝдёә2зҡ„зӯүиҫ№дёүи§’еҪў,е…¶жӯЈ(дё»)и§Ҷеӣҫ(еҰӮеӣҫжүҖзӨә)зҡ„йқўз§Ҝдёә8,еҲҷдҫ§(е·Ұ)и§Ҷеӣҫзҡ„йқўз§ҜдёәA.8B.4等边三棱柱的体积(дone体育ёүжЈұжҹұзҡ„дҪ“з§Ҝе…¬ејҸ)(4еҲҶone体育)иӢҘжӯЈдёүжЈұжҹұзҡ„жүҖжңүжЈұй•ҝеқҮдёәa,дё”е…¶дҪ“з§Ҝдёә163,еҲҷa=гҖҗеҲҶжһҗгҖ‘з”ұйўҳж„ҸеҸҜеҫ—(12вҖўaвҖўaвҖўsin60В°)вҖўa=163,з”ұжӯӨжұӮеҫ—aзҡ„еҖј.гҖҗи§Јзӯ”гҖ‘и§Ј:з”ұйўҳж„ҸеҸҜеҫ—,жӯЈжЈұжҹұзҡ„еә•йқўжҳҜеҸҳй•ҝзӯүдәҺaзҡ„зӯү