Taro
ϤŤѴؿǷ׻ޤ
٤ߥƤޤ
1211ڡ 0:06:45 33430
CRYING DOLPHIN
ΤARΣܤǤĤä餬ѡ

) оȳ٤δطꡢPAR梤AQRAQARRC2
) PAQCDQϥ祦緿ǡAQQD21
) PRPA6AQQRPAAR62QR2/3
äơ62/316/3cm

׻뤢ǡ줫ȵդ(
ï⤤ʤԳϡ 1211ڡ 0:33:47 HomePage:ȤƻȤ33431
ʸ
ͤΤǤ
ǰƻʿȤޤ󼡼ޤǽФƤ
1211ڡ 0:40:39 33432
mhayashi
ʤңܤǤǤ
¤򣲡ʬͤȤäơͣãҤä
Ȥ ѷã£͢滰ѷУ£ ѷңѢ滰ѷУң ʤΤǡäƤäǤ͡餷ޤ
KANSAI 1211ڡ 0:46:11 HomePage:M.Hayashi's Web Site33433
Ѥ
AR˵դޤǤˣʬ᤯ޤ
֡ 1211ڡ 0:49:57 HomePage:33434
ߡ
ңäʿԤӣãҤޤ

ѡᣲФޤǤ

ʤä(˿)
1211ڡ 0:53:01 33435

ˡϻǰ̵ǰ
ɻѴؿȤä㤤ޤ
ʤ󤫳빽ȴʤȤƤޤ͡
1211ڡ 0:59:01 33436
NB
ջѷäѤǤ
1211ڡ 1:26:11 MAIL:nobu_adachi@yahoo.co.jp 33437
ma-mu-ta
AR֤ȿ޷оȳ٤δطˤꡢ
AQRջѷ顢AQARRC2
äơDQ321
DQR梤BCRǡDQBC13
CQCR(3+1)/324/38/3
PAQ梤CDQǡAQDQ21
äơPQCQ28/3216/3
1211ڡ 2:17:48 33438
abcba@jugglermoka
BC=aRC=Ȥ롣ޤCDCE=ȤʤEȤ롣ADʿԤECQȤθFȤ롣ѷRFCRQAδطӻѷBCRDQRδطѤQD=a-ȤʤꡢPQ=b^(2)ߡ2a-b/(a(a-b))Ȥʤ롣
a>bȤ롣

ʤۤɳ󤬶ĤȤAR֤Ǥ褫äˤϵդޤǤ
1211ڡ 10:13:36 33439
ϥ饮㡼ƥ
ѴؿǤ

ϥե򤿤ޤʿѤĹ
餤ǤɿȤǿ٤ޤ
1211ڡ 10:29:14 HomePage:湩ؤ˥33440
uchinyan
Ϥˤϡơϡ
ϡʬäƤޤдñʤΤǤ빽ͤޤ (^^;

ABCD ϤҤʤΤǡAB = BCABD = CBD Ǥ
ǡBCR BR ˴ؤޤ֤ C A ˽ŤʤꡤAR = CR = 2 cmARB = CRBARQ = 180 - BRC * 2 Ǥ
ǡAD//BC ʤΤǡAQR = 180 - BCR = 180 - BRC * 2 = ARQ ˤʤꡤAQR ջѷǡAQ = AR = 2 cm Ǥ
ǡDQ = AD - AQ = 3 - 2 = 1 cm ˤʤޤ
줫顤AD//BC ʤΤ RDQ RBC Ǥ 13 Ǥ
äơRQRC = 13RQ = RC * 1/3 = 2/3 cmQC = QR + RC = 2/3 + 2 = 8/3 cm Ǥ
ˡAD//BC PAQ PBC ǡ 23 Ǥ
ǡPQQC = 2(3-2) = 21PQ = QC * 2 = 8/3 * 2 = 16/3 cm ˤʤޤ

ǽ顤BCR ʬ BR ƤߤΤǤsqrt(15) ˤʤꡤޤ
ʤθ塤ءѴؿʤɡȤСPQ ϵޤޤ͡
ͥνȡ 1211ڡ 11:17:35 MAIL:uchi@sco.bekkoame.ne.jp 33441
uchinyan
ǼĤɤߤޤ
󡤶줷Ǥ褦Ǥ褯ʬʤˡ¿ΤǤ

#33430#33436#33440
ѴؿȤäˡ

#33431
оȳ٤δطꡢPAR梤AQRAQARRC2

ʤɤȤˡ
ΤˡջѷսФƤΤǡɤȤǥХꥨ󤬤褦Ǥ

#33432
ʿȤäˡ

#33433
¤򣲡ʬͤȤäơͣãҤä
䤢Ȥ ѷã£͢滰ѷУ£ ѷңѢ滰ѷУң ʤΤǡ
ȤˡǤͤޤܺ٤

#33435
ңäʿԤӣãҤޤ
ȤˡǤͤޤܺ٤

#33438
AR֤ȿ޷оȳ٤δطˤꡢ
䢤AQRջѷ顢AQARRC2
#33441ȤۤƱ餬ִñǤ͡

#33439
亣BC=aRC=Ȥ롣ޤCDCE=ȤʤEȤ롣ADʿԤECQȤθFȤ롣
仰ѷRFCRQAδطӻѷBCRDQRδطѤ
ȤˡǤֻѷRFCפϤ̤褦Ǥ
ͥνȡ 1211ڡ 12:25:47 MAIL:uchi@sco.bekkoame.ne.jp 33442
abcba@jugglermoka
#33439
ѷRFCǤϤʤRFEδְ㤨Ǥɤ⤹ߤޤ
1211ڡ 17:27:28 33443

ѤʬĤä餹餹Ȥޤ
1212ʶ 0:20:37 33444
cocolo
AR֤ȡABRȢCBRоƱʤΤǡ
BARBCRARC(CRB2)
äơPARPRA180ݡʤΤǡ
PARPAPRջѷ
PRBȢCRDϤ礦緿ʤΤǡ
PRPBCRCD23
PR᭢cmȤȡPB᭣cm
PAPR᭢cmʤΤǡ
AB᭣ݭ᭡(cm)ǡ줬3cmȤʤ롣
äơPR᭢6(cm)ǡPC628(cm)
PAQȢPBCϥԥߥåɷǡ
PAPB2:3
äơPQPC2/382/316/3(cm)
ʼˡ 1212ʶ 2:47:20 33445
λȼ
Ѥ˶줷ߤޤ
ĤдñʤǤʤäˤʤǤɡġ

ɣҤǢңѤջѷǤ뤳Ȥ
򤭤ޤ

٤äƤޤޤ
٤Σףȣɣӣˣ٤Ǥ򤷤ʤʥ륳ǤǤˡ
ǮˤĤġʿʧʤ顩˥եեȹͤޤ
륳ǤϤȤäƤ褯ޤ͡
֤αž򤹤ΤǤʤСƤߤƤ
֤פǤ衣

á줫˺ޤǯ⡢
Ǥ
zerostar 1212ʶ 11:43:06 33446
Ȥ
Ʋ򤯤ΤդƤϤޤҤ
ޤǤˤϤ⤦֤᤮Ƥޤ
ꡢפ֤Ǥ
1212ʶ 15:24:56 33447
Mr.ǥ
(Ѵؿ)ȤäƤϵDz򤭤ޤ
ܣ£ãѤʬˤꤹҤǤβˡˤޤǤ
ϻDz򤯤Ȥ˴ؤƤϴԤδ
1212ʶ 18:03:03 33448
ϺĹܲ
ܣ£ãѤʬȣ֤餤ˤ߹礤ޤ򤱤
ǸϷ׻㤤η̡줿褦Ǥޡ
1212ʶ 23:01:26 33449
fumio
Фϡ
1214 1:01:40 33450
X
ʤǤΨ⤤ΤȻפʤäȲ򤱤ޤΤԤǥꥹޥѡƥκ˰Ťɥǡ
1214 9:40:02 33452
Ф
ѴؿȤäƥ奦奦ä򤱤ޤMrǥ˰ϵɤǡʸʤǤ
1214 20:17:54 33453
翹˼
Ǥ͡1ؿȤäƲ򤤤Ƥޤޤ
1215ʷ 5:16:46 33454

ȺǤȻפޤ

BCRˤĤơBRCȤȤȡBCR2
ޤBC3cmǤΤǢBCRѤBR6cos cm
BCRǡBC3cmCR2cmBR6cos cmBRCȤ;ѤcosȤ˴ؤ2Ǥޤ
2򤯤ȡcosȡ5/61/6ȤʤޤBR6cos cmǤΤcosȡ5/6
äƢBCRϡBC3cmCR2cmBR5cmȤʤΤǤΤ褦ʻѷ¸ߤޤ
1215ʷ 6:10:29 33455
xyz
#33455
׻˲㤤
cosB=sqrt(25/60)٤49.797٢BR=3.873....
1215ʷ 8:43:24 MAIL:tmkimura@carrot.ocn.ne.jp 33456
X
ARҤФޤǤäܤջѷܤƥԥ饹롼Ȥη׻ϤϤޤǤ
1215ʷ 11:57:14 33457

xyzͤ

cosB=sqrt(25/60)ϤɤФƤ뼰ʤΤǤ礦
ƤȤ꤬Ǥ
1215ʷ 13:14:46 33458
ߤĤ
ѣҤܤФ褫äǤ͡

ϡܣңã¤ʬȣҤθŤȤơţңâᢤң
ţң¤ǥͥ饦
У£ģäΥ祦緿ǣ£ФĹ
ȡʤꤷƤäȽФƤޤ
1215ʷ 13:35:21 33459
xyz
#33458
6cosB*6cosB=3*3+2*2-2*3*2*cos(2B) ʢ=sqrt
cos(2B)=2*cosB*cosB-1
36*cosB*cosB13-24*cosB*cosB-12
cosB*cosB25/60
1215ʷ 14:56:35 33460

xyzͤ

Τˤʤޤ͡(ΦȤBΤǤ͡)

׻ǧޤδ㤤Ǥ(cosȤ쥫긫ȤƤޤ)

ޤ

ǤBR5ФǤ͡Ի׵Ĥ

1215ʷ 16:22:11 33461