Dz򤱤㤦Ǥ
121ڡ 0:07:26 45573
ǯ
DBפ顢PCפΤǡ3:4:5ľѻѷǤ롣

121ڡ 0:54:41 45574
Mr.ǥ
ߤ濴OPBMȤȡMCDǤ⤢
OMCD
OD=5DM=4ꡡOM=3
BAPˤơϢAPOM*2=6
Ȥޤ
ʼ¤CDABü첽ơAP=AP=5+(54)= ȵƤƤ顡嵭βˡƳޤ
121ڡ 0:20:58 45575
٥륯åĥ
Ĥľ¤ȿ¦ѤȤȣãѡ6ģ¤ȣУäȣѤʿԤƱĹʤΤǣѣУäʿԻշѣáФʤΤǣФ6ˤʤޤ
轵ϽƵߵ޼ָƤ±˱ФƤޤǤηǢɷС򹯤ˤϵĤʤȤʤȻפޤ
121ڡ 0:20:51 45576
ߤ
#45575Mr.ǥ
CDABü첽
⤳ü첽ǤؤξꤸʤФФ䡢äƤ
ĤνǤ͡

פȤƤϡ濴ȤȾ£α߼ΤͿ줿ߤα߼ڤӤ
ȤȤˤʤǤ礦
121ڡ 0:43:21 45577
ǯ
ADBʿƱߤȤθQȤȡAQ=DBAQ//DBʤΤǻͳѷAPCDʿԻշ
ΤAP=QCQD٤СQ,Dоΰ֤ʤΤǡ濴OȤΤǡQDľ¡
QO=OD=OCʤΤǡDCQľѻѷդĹϡ10:8:6Ȥʤ롣
ٵ̣ʤΤǤ⤦ޤ
121ڡ 0:32:53 45578
鯤ο
A(-10,0)B(0,0)C(x,y)D(z,w)ȤȡP(x+z,y+w)Ǥꡢ

C,Dϱ߼顢
(x+5)^2+y^2-25=0
(z+5)^2+w^2-25=0

CD=8顢
(x-z)^2+(y-w)^2-64=0

AP=dȤȡ
(x+z+10)^2+(y+w)^2-d^20

*2+*2--׻ȡ

d^2-360
äơd>0ꡢ
d=6
//

121ڡ 0:39:23 45579
ˤ⡼
Ф
ᤤ˼ʬ˺񤬹ߤ꤫äƤ롣ʵƤʤʤǤ
ۤϫǤФǤ


ʬDPP¦˱ĹƱߤȤθQȤޤ
BCDQʿԤʤȤ顢ͳѷBCQD
CQ=BDˤʤޤ
ȡCD=BQ᣸
ABQABߤľ¤ǡľѻѷˤʤ뤫
345ΨˤꡢAQ=
APCQˤơCPQջѷ
ACPQäƢAPQջѷ
äAP=AQ=6

ʾ
޻Ա¶ʼΡˡ 121ڡ 0:51:58 45580
⡼ޥ
ʤȤ^^
ľ¤ȿ¦ˡAC',AD'ȡĹĤǤơгϱߤ濴̤ľ
CC'ľAD
AC'//CD//PD
ʿԻշAPCD'ϤҤ10:8:6 ٤6cm
ߤʴǡOrZzzz...
121ڡ 1:00:04 45581
ϥ饮㡼ƥ
ü첽ޤCDABľ򤹤褦ˤȤ
λѷǤޤ
121ڡ 3:07:04 HomePage:˥45582
ֿء׾ι
#45577
ξ硢ʿԻշǤȤդ߼ϽΤȻפޤ
121ڡ 4:46:41 45583
Ȼ
CD=0ü첽ޤ
121ڡ 7:34:58 45584
(Keigei)
CD濴ABȾ¤3cmα߼塢
PB濴ȤƤαߤܤ˳礷߼塢
ĤޤꡢA濴ȤȾ6cmα߼ˤΤǡAP6cm
121ڡ 7:50:15 45585
ֿء׾ι
C',D'򡢱ߤ濴˴ؤC,DоΤʰ֤ˤȤ롣
ʬCC'ڤʬDD'϶˱ߤľ¤ȤʤΤǻͳѷC'D'CDĹǤʤʤʤ顢2ܤгĹƸߤǸäƤ뤫ˡ
äơC'CDϢDľѡCC'=10(ľ)CD=8ľѻѷǤ롣
äơC'D=6Ǥ3դĹ椬3:4:5˻ͳѷC'D'CDĹ椨D'C=C'D=6ݭ

ˡͳѷAD'BDˤĤơʬAB,DD'˱ߤľ¤Ǥ뤳Ȥ顢ƱͤˤơĹǤ롣
äơAD'=DBAD'ʿDBǤ롣
ˡξꡢͳѷPCBDʿԻշꡢDB=PCDBʿPC顢AD'=PCAD'ʿPCȤʤ롣
ʤͳѷAD'CPʿԻշǤ롣

äơAP=D'C=6ʤʤʤ顢

121ڡ 8:42:37 45586
ˤ
ABCDü첽ޤ
ǶᡢϤʤǤ(-_-;)
121ڡ 8:50:45 MAIL:nikotan@fat.coara.or.jp 45587

ͤƱ¢ݣãĤü첽Ƶޤ
̲褦ȤƣãФαĹߤ濴̤뤳ȤǺޤƤޤͣ򡥥ǥΤ褦˹ͤФޤ͡
121ڡ 10:28:26 45588
Ȼ
ְ㤨ޤCP=BD=0ü첽Ǥ
121ڡ 12:16:58 45589
Ȥ
ɸA(-5,0),B(5,0),ߤ:x^2+y^2=25,ľCD:y=b*(x-a)Ȥ
ߤľθC,DCD=8bõ,PޤʬAPʿǵ롡XMaxima Ǥ

solve([x^2+y^2=25,y=b*(x-a)],[x,y])$
part(%o1,1)$part(%o1,2)$
part(solve(num(factor((rhs(part(%o2,1))-rhs(part(%o3,1)))^2+(rhs(part(%o2,2))-rhs(part(%o3,2)))^2-64)),b),2)$
rhs(factor(ev(part(%o2,1),%o4)))$rhs(factor(ev(part(%o2,2),%o4)))$
rhs(factor(ev(part(%o3,1),%o4)))$rhs(factor(ev(part(%o3,2),%o4)))$
sqrt(expand((%o7-(5-%o5)+5)^2+(%o8+%o6)^2));6()
˭ԡ 121ڡ 12:30:45 45590
uchinyan
Ϥˤϡơϡ
פ֤Ȥο޷Ǥ͡ϴñǤȤƤפǤ礦
ʴǡ

AB Ĥޤߤ濴 OO CD ­ HȤޤ
ޤOC = OD = OA = OB = 5 cmOCD OC = OD ջѷCH = DH = 4 cmOHC 345 ľѻѷOH = 3 cmǤ
ǡCPDB ʿԻշ H г CD PB θBH = PHȤʤäơ
BHBP = 12BOBA = 12BOH BAP 12OHAP = 123AP = 12AP = 6 cm
ˤʤޤ

̤Ϥ˲򤯤ȤˤʤΤȻפޤü첽ͭǤ

㤨СCDAB ȤСAOPHB Ϥν AB ˤꡤƱͤˤơ
OC = OD = 5 cmCH = DH = 4 cmOH = 3 cmPH = BH = OB - OH = 5 - 3 = 2 cmOP = OH - PH = 3 - 2 = 1 cm
AP = AO + OP = 5 + 1 = 6 cm
ˤʤޤ

äȶüˡD B ˰פСCPDB ϤĤ֤ P C ˰פ
ľ AB Ф ACB = 90ȤСACB Τ 345 ľѻѷˤʤꡤ
ACCBBA = 345 = 6810AP = AC = 6 cm
ˤʤޤ͡
121ڡ 12:45:12 45591
uchinyan
ǼĤɤߤޤ


ʲεҤϡ⤽ϻ伫ȤٶΥ˲᤮ʤΤǤ
޳ѤʤΤǤͤޤǤˤȻפäƸΤǤ
Ȥ⤢äơˡʬϻ F.A.Q. ΡֻϰϡפεҤ򻲹ͤˡ
ĿͤǤиǼŪ˹ԤäƤΤǤäơҴŪʤΤǤϤޤ
ޤǤ⤴ͤǤ餺

ʬहۤɤΤȤϤʤʡȻפäΤǤäʲˡޤ͡

#45575#45585#45591κǽ
ߤ濴ʿԻշгθȤˡ345 ľѻѷʤɤDz򤯲ˡ

#45576#45586(㴳꤬㤤ޤ)
D ľ¤ߤȤθ Q Ȥ345 ľѻѷQAPC ʿԻշʤɤDz򤯲ˡ

#45578
A DB ʿԤߤȤθ Q ȤQAPC ʿԻշ345 ľѻѷʤɤDz򤯲ˡ
#45576դͤ褦ʲˡǤ

#45580
DP αĹȱߤȤθ Q ȤBCQD 345 ľѻѷջѷʤɤDz򤯲ˡ

#45581
ľ¤ȿ¦ˡAC',AD'ȡĹĤǤơгϱߤ濴̤ľ
ȤˡʤˤϤ褯ʬʤǤ
ľ¤ȿ¦ȤΤϤɤȡ 濴ȿ¦ȤȤʤΤʡ
CC'ľAD
AC'//CD//PD
ʬʤ
äˡCD//PD ϤǤ񤭴ְ㤤ʡθϤޤ (^^;
θ塤#45594ޤ͡ɡ
CC'DD' ľ¡AC'//CB//PDAC' = CB = PDAPDC' ʿԻշ345 ľѻѷ
ȤȤΤ褦Ǥ#45576ʤɤȤۤƱˡǤ͡
ʤCC'ADAPDC' ϤҤϤȤ⤢ޤ̤ˤϤޤ
줬̵Ƥ򤱤ΤפǤ⤷Ȥʤü첽ȤȤˤʤޤ

#45574#45589#45591κǸ
D = B ˤü첽

#45575κǸ塤#45577#45582#45587#45588#45591Σ
CDAB ˤü첽

#45579#45590
ؤˤˡ
122ʶ 12:57:42 45592
̤ꤹ1
˻ƻäޤǤ
1000ܤɬƨޤġ

񡡡 121ڡ 20:06:58 HomePage:Twitter45593
⡼ޥ
#45592 uchinyan
ˤäǤ^^;
(Ƭ)򴵤碌ƤޤޤǤm(_ _)m
Ʊȯۤ...Ūʿޤ򥢥åפƤߤޤ Orz
Ʊʿԡ^^
http://www.fastpic.jp/images.php?file=7177500170.png
121ڡ 23:45:03 45594
⡼ޥ
Ǥޤ^^;; Orz

>Ѥ碌Ƥޤ

δְ㤤Ǥ
121ڡ 23:46:39 45595
uchinyan
#45594⡼ޥ󤵤
ޤ򤢤꤬Ȥޤ
#45592˻ɲäޤǧ
122ʶ 13:01:51 45596
uchinyan
#45576٥륯åĥ
ϤϡǢϩФϤʤηˤʹƤޤ
ʤȤˡϺΤȤǢʷϤΤ褦Ǥ
Ԥä˴㤬ǯΩ礫Ω˰ܹԤ줷Ǥޤ
¤ꤽϷʤȤФˤʤäΤǡդʤȡȻפäƤޤ
122ʶ 12:59:17 45597
2N.K.
ֵפ֤ޤ
ͤ1000褦Ȼפޤ
????????????????????????????????????????????????????????? 122ʶ 23:25:16 45598
ޤ
ˡ6פ꤭Ǥ(^^

ɤĤΤϡ#45580ˤ㡼ⷯޤƱǤ

#45576 ٥륯åĥޡ
Ϥޤơиޤ
ˤοˡפȤޤ(T T)
ξϡ˵𤷤ƿ٤ľ˿³̤Ǥ

#45575 Mr.ǥ
#45577 ߤ󤵤
#45585 (Keigei)
ָƤʤפȤ򸫤Ƥơ꤬Ȥޤm(_ _)m
somewhere in the world 123ڡ 15:05:29 45599
X
Ĥ褦ǤΥޡDz˼ȤǤޤʳΥեޡξηǤξ褦䤯狼ä褿褦ǤǤޡηβϤäѤꥵåѥ狼ޤ(-_-)
123ڡ 22:20:31 45600
ȥ
Ǥ
ͥåȤ򤦤Ƥ餳ˤ֤ĤäΤDz򤤤Ƥߤޤ
äƤ뤳ȤƱʤΤǤʿԻշǤϤʤߤդ­ˤü첽Dz򤤤Τǽ񤤤Ƥߤޤ
ޤʬCD֤ơͭ褦䤤αߤƱߤ¦˽񤭤ޤ
PAƱ֤ˤΤǡap֤εΥˤʤ뤳Ȥʬäơ㤢ü첽Ƥߤ褦ȰʲϤߤʤƱ褦˲򤭤ޤ
ޤ褵Ƥޤ꤬Ȥޤ
124 16:15:20 45603
٥륯åĥ
#45597uchinyan
꤬Ȥޤ餤ˤळȤʤʤäƤΤǡפʤΤǤϤȻפäƤޤ
#45599ޤ󤵤
빹꿼˿٤äΤǡ转ľʤȤޤ͡ߤ򹯤ˤϵĤޤ礦
124 17:08:15 45604

ʤȤְռᤷȤǤߵ޼֤줿Ȥޤߤǡ̤Ƥä򤷤Ƥ뤦ˡäѤʡˤʤäƤФʡˤʡ⤦ɤˤǤ⤷Ƥ졦ǵߵ޼֤ƤǤ餤ޤ餤餤Ǿ٤ΤΤФޤʤޤĤäƤ֤餷ΤǤˡˤߤäʤǤ͡
Τɸ᤮СǤϤʤǤ͡դƤޤ礦
125ʷ 10:22:18 45605
fumio
ˤϡäȲ򤱤ޤϥϥϥϥϡ
ǤϤǤϡޤ͡
125ʷ 12:49:35 45606
ޤ
ολͥǤϤʤȤϢᤷǤġorz

#45604 ٥륯åĥ
#45605
ФϰȺȯ䤹褦Ǥġ
ʤԤ󤬻뤿ˤää⤷ޤ󤬡ˡ
Ǥ⡢Τɸ᤮ФˤʤäƤޤäƤޤ(ޡ

somewhere in the world 126ʲС 0:31:12 45607
X
ȤߤޤȡüʾפȤɤΩޤϵդ˰̲ޤ

ޤ뤵󤬤ɤͤƤߤȡ

ABľ¡Oϱߤ濴Cϱ߼AC>CBΤ褦˼롣ACCOޤܤˤƤѤݤD߼ABϤȿ¦ˤޤȳCDB=CABǡˡACO=OCDBDCOʿԡCOαĹBCʿԤˤʤ褦DPȤСοޤǤ

麣դĹ˸¤ʤƤ̲ǤȻפޤʤޤ뤵ϤĤ⣳̯˻Ȥޤ
126ʲС 11:47:32 45608
X
ɿȤгCAB٤λCODBΤʿԻշˤʤޤ͡
126ʲС 12:27:21 45609