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СУѡѣŤϣФǤϤʤ£ФǤ

ջѷäƲ򤤤Ƥޤˡޤ񤱤ޤ󤬡ʣʬۤܳФ᤿Τǡˡ
67ڡ 0:21:39 39436
sodo
٤Фʤ顢뺧ǤȤޤ
Ķ衡 67ڡ 0:22:20 MAIL:sodo@pop17.odn.ne.jp 39437

BP=PQ=QE Ǥ
67ڡ 0:24:33 39438

BP=PQ=QE Ǥ
67ڡ 0:25:17 39439

£Ť˲­ȤȤ롣

ѷͣĤ;Ѥơѣͣġ11/16
ȾѸѤơ12ѣͣġᣳ6/8
С8Ȥȡȡᣳ6
ʿꡢУȡ10x
£ȡ3Уȡᣳ10
ʿꡢ¡12
12᣶椨12
äơС812ᣴ
67ڡ 0:26:46 39440
ޥ
ߥޥBP=PQ=QEǤƤޤm(__)m
MacBookAir 67ڡ 0:35:59 HomePage:֥39441
ߥå
ޤAB, AE, AC ˤƱ˸ΤǤ
㤦Τ⤷ޤ󤬡ΤƱ˸ޤ
67ڡ 0:57:13 39442
ߥå
#39442
ңǣͤǧޤƱǤ͡
67ڡ 1:00:09 39443

ǤäƤ뤫ʬޤ󤬡
BD֡
EC֡
ECADθNECBDθRȤ롣
ΤȤ
ABDAEC
ޤAB=AE=6ȿ޷о
ͳѷABRE16ΤҤ
äEN//ABǤ뤫顢
ABQ梤NEQȤʤꡢ
2:1AN6AQ:QN=2:1ʬ
AQ62/34
ʴǤ
67ڡ 3:57:08 HomePage:39444

˺Ƥޤ
뺧ǤȤޤ
ʤˤƤ
67ڡ 4:34:28 HomePage:39445
ֿء׾ι
뺧ǤȤޤ
ߤˡȴդɽա
֤꤬Ȥפڤˤơ
뤤򡪡湬ˡ
67ڡ 6:30:26 MAIL:yuji.miyaguchi@gmail.com 39446
namba
ؤDz򤭤ޤ

ACD;ѤcosCAD11/16
AQxȤȿ޷оAPx
APQ;ѤơPQ5x/8
оBP//CD狼ꢤBPM梤DCM
ACD;ѤCD52
PMAM-AP=6-xBPPQ5x/8CM6CD52ȢBPM梤DCM
x=4

޷϶Ǥġġ
67ڡ 9:49:23 39447
namba
BPM梤DCM BMDľˤʤäƤ뤳ȤʤȥǤ͡

ľˤʤͳϡġġٶ­ʬ餺
67ڡ 10:37:41 39448
uchinyan
Ϥˤϡơϡ
ࡤǤʬ餺(ѥåץ;)Dz򤤤Ƥޤޤ
ǼĤɤˤ⤦ͤޤ

ɤǤʡȻפä顤ޥ뤵ʤ褦ʵ⤷ޤ

ޤAB = AE = 6 cm ABE = AEB ǡBP = EQ 碌ơABP AEQAP = AQBAP = EAQ ǡ
AC = AD = 12 cm ʤΤǡABC AEDBC = EDBCA = EDAޤ ACD = ADC BCD = EDC ǡ
ɡοޤΤȤ A ̤ BE οľʬ˴ؤоΤǡBE//CD Ǥ
ǡAD NNM αĹ AB αĹȤθ R Ȥȡ
AM = CM = AC/2 = 6 cm = AD/2 = AN = DNAMN = ANM
MN//CD//BEABP ARMAPQ AMNBPRM = APAM = PQMNRMMN = BPPQ = 11RM = MN
AMR = 180- CMR = 180- AMN = 180- ANM = DNM
ǡARM DMNAR = DM = 9 cm Ȥʤꡤ
APAM = ABAR = 69 = 23 = AQ = AP = AM * 2/2 = 6 * 2/3 = 4 cmˤʤޤ
ͥνȡ 67ڡ 13:39:50 39449
ޥ
դϡɽߥ餤ޤm(__)m

ꡢADNȤơMNαĹAEαĹθRȤ....ȤˡꤷƤޤ
iMac 67ڡ 12:04:38 HomePage:39450
namba
ޥ뤵ΥҥȤ黻ǤȤޤ

PE//MRPQQEMNNRĭ
ޤNADANNDĭ
DNMANRĭ
ꢤNMDᢤNRA
äARMD9
AQE梤ANRAQANAEAR
äAQ66:9AQ=4

67ڡ 12:43:10 39451
abcba@baLLjugglermoka
ϭABPDAMAQ=AP=9/2ȻפäƤޤͤľơоο޷Υ᡼CDBC,DEľԤȲꤹСMD=9ޤξΤǤȤˡǤ(ʤ̵Ǥ͡ʡ)
67ڡ 12:54:33 39452
ģ©
ʤ󤫤䤷ˡǤ

ѥť줷ƿơ᤮ܤФơֳΤʡפȻפäƲ򤤤ƤߤΤǤ

ʸǤϿƤʤͤˤпδݤĤƤʳΤˣǤˤΤ˵Ťơ֤ϥҥȤ˰㤤ʤפȻפΤ˥ޥ뤵ΥҥȤƱΤäƤΤǤ¿ջѷѤʿ¿񤤤ƤΤǤΰ̣줤ä᤿ǤɤǤμĽ񤤤ƤΤǡǸ˻᤿Ǥ礦

뵢äơ⤦ٲɤޤ
67ڡ 13:00:45 39453
uchinyan
ǼĤɤߤޤ
ɤ㴳Υȥ֥뤬ä褦ǤꤽΤΤ⡤ؤǤϴñǤDz򤯤ΤϤʤʤ񤷤褦Ǥ

#39436#39453
ջѷäƲ򤤤Ƥޤ
Ȥˡܺ٤ν񤭹ߤˡ𤦤ԡ (^^;

#39444
ECADθNECBDθRȤ롣
䤳ΤȤ
ABDAEC
ޤAB=AE=6ȿ޷о
ͳѷABRE16ΤҤ
äEN//ABǤ뤫顢
ȵƤˡΤǤABRE ҤˤʤȤޤ褯ʬʤǤ
ޤоΤʤΤϤۤȤ餫ǤBE ˴ؤ AR оΤʤΤϡޤ餫ǤϤʤ褦˻פޤ

#39450#39451
AD NMN αĹ AE αĹȤθ R ȤơNMD NRA ƳƲ򤯲ˡ
ޥ뤵Ǥ

#39449
AD NNM αĹ AB αĹȤθ R ȤơARM DMN ƳƲ򤯲ˡ
ޥ뤵ʤȤޤκ¦ǹԤäƤޤ㴳̵̤뤫ʤ

#39452
оο޷Υ᡼CDBC,DEľԤȲꤹС
MD=9ޤξΤǤ
Ȥˡü첽ʡ

#39440
ءʿ;ˤˡ

#39447#39448
ء;򷫤֤ѡˤˡ
̤褦Ǥ#39448ǤλŦΤ褦ˡŪ褦Ǥ
ͥνȡ 67ڡ 14:32:11 MAIL:uchi@sco.bekkoame.ne.jp 39454
ϥ饮㡼ƥ
٤ʤޤMATHEMATICAˤ뻰ѴؿǤ
67ڡ 15:55:31 HomePage:湩ؤ˥39455
⡼ޥ
äȤ...ƤϤ...^^;
BAQ=90ǡAPQѷʤΩ뤳Ȥ狼Τ...
BAQDMA Ȥ狼...
AB : AQ =DM : AM = 6 : AQ = 9 : 6
AQ=4
Orz...
Τٶ^^;v
67ڡ 19:56:44 39456
ߥå
#39442 ǻŦþпˤĤơ
դΤǤϣ¡š͡᣶äƤȤʤǤ͡
餷ޤm(_ _)m
67ڡ 21:08:30 39457
̴
ͥ饦ABDˣȤAPAQޤ
ٻΤ桡 67ڡ 21:15:11 MAIL:ͥ饦 39458
hide
ꥴꥴꥴġ

ABEջѷʤΤǭAQEAQB
ʤΤǢAQEȢAQB
2sinQAEsinQAB....
ADM;
cosMAD(36+144-81)/2/12/611/16
ޤ
sinMAD(315)/16

AQx , sinQAEkȤ
AQE
6/sinAQEQE/sinQAE

6kQEsinAQE
APQ
x/sinAPQPQ/sinMAD
sinAPQsinAQE , PQQE
x16/315*QEsinAQE32/15*k

ˡ
sinQABsin(QAEܭQAP)11/16*k(315)/16*(1-k^2)

sinQAB2k

k15/8

x4
ȡࡡ 67ڡ 21:57:11 39459

#39451
ʤۤɤäꤷޤ
68ʶ 3:21:58 HomePage:39460
ģ©
ջѷġդʿԤʻѷȤƤΤϤ狼ΤǤμĤƸȰĤXᣴɡ⤦ҤȤĤX᣸

֤Ʊ֤ˤʤлפФ˰㤤ʤפȡ֤פ߻Ϥ᤿ޤޤ𡦡

ʤ櫓ǡβˡˤĤƤϤǰ
68ʶ 18:08:09 39461
xswc
ʤ˴ñǤ!?äƤ餤֤Dz򤱤ޤäƤ뤫狼ޤ...
ѷACDջѷ,CDCDȤθFȤޤ
ACDջѷǤ뤫,ϢAοľʬȤʤΤ,ϻѷABCDEAF˴ؤоΤʿ޷ǤäBEAFθGȤ,PG=GQȤʤޤ
äƻѷABPȻѷGMPˤ,BP:PG=AP:PM=2:1
ä,AQ=AP=AM2/3=4...()
69ڡ 20:11:04 39462
Τ
Ĥڤꤢ꤬Ȥޤ

ջѷǤΤǡѡСᡩ
ĤʿԤ򡡣ФĤ˸ƤҤĤȤθҤȤޤ
ȡУѣҢᢤţѣˤʤꡢѡѣҡᡩǤ
ơҡᣲߡʤΤǡ
Сҡᡩߡᣱ
͡ġ᣶
УҢ梤£Ĥޤ狼ˤƤߤޤ󡣤
69ڡ 22:34:12 39463

ޤ
Ǥ
轵꤬򤱤ʤäΤǡޥ뤵Τ뺧ηۤΤޤ
ǤȤޤ
Ĺˡ
611ʷ 11:39:47 39464
X
ޤ뤵󡡤뺧ǤȤޤΥղλФäȤ褫äΤˡСϼ̣ʹѤäƤΤǣǯɤäƤޤϤʤǾȥˤ϶̣äƤޤ
612ʲС 19:25:49 39465

APXȤƻѷPAEϢQX=AE/2=3
ѷAXQȻѷAMDʤΤAX:AM=XQ:MD
äAX=6(3/9)=2
XAPʤΤAP=4
ѷAPQջѷʤΤAQ=AP=4
Ҥää֤˲򤤤ΤDzǤƤޤ󤬡
613ʿ 5:58:44 39466