mhayashi
ѷУţäľջѷȵդСȤ꤫ʤ
ȤꤢãŤӡѷãģŤãŤ򼴤ޤ֤ޤ
KANSAI 101ڡ 0:10:03 HomePage:M.Hayashi's Web Site35107
CRYING DOLPHIN
դ5cmˡľѤϤ2դ4cm1cmλѷ8
¤٤޷ΰȤȤϡ򸫤ִ֤ˤ狼ä

ΤȤη׻ޤorz
ï⤤ʤԳϡ 101ڡ 0:12:02 HomePage:ƻ35108
Taro
äƤǤޤȤ˲򤯵ޤ()
Ƥʤ櫓ǿؤDz򤤤Ƥߤޤ
Cʬ8:15:17ľѻѷ줿ΤǤҤ׻ޤ
101ڡ 0:14:08 35109
㡼ߡ
#35109
ƱǤ< 8:15:17
Ȥ礦Ȥ䤯 101ڡ 0:17:41 MAIL:kakuromaster@star.cims.jp 35110
ߤ
У£äգУäޤ֤У¡ǣá
УŤգţФޤ֤ǣУŤĤ롣
Ǥȣ¡ǤȣФϰľǤꡢǣŤȣ¡ǣĤʿԤδطˤʤ롣
ǣ¡ǤȣţĤθѤ֤Сѷˤǣѡѣ¡ǡᣱ
ǣ¡ǡᣳꡢǣѡᣳѣ¡ǡ᣹

ȤϻѷѤøơ
ʣߣࣲˡߣܡʣߣࣲˡݣߣࣲ
᣸ܣݣ

101ڡ 0:19:01 35111
Ф
Τ뤫äƤǻѴؿȤäȰפä
101ڡ 0:30:11 35112

ޤޤȤäϵϡʿǤ
ϡţФȣţáȡãĤαĹȣУŤθƤȤޤ

УŢᢤ£ãСꢤУšᢤ£ãСᣲ
У£â梤ƣУáǻʿȤäơƣУá17/8
ޤãơ17/4ţУá17/2ȣƣġģáᣱ
ţƣġ39/8
ʾ
ܣ17/839/8ᣱ

£ãŤ餽꾮Ȥ
ǧڹͤޤ׻ǽФΤǼʬʤˤ­Ǥ
ޡ 101ڡ 0:34:11 35113
kamomenanamina
ԥ饹ξ˽ФƤ޷Ǥ
101ڡ 0:32:50 35114
⡼ޥ
5cm 4cm ƤäĤƤ...
г...3:4:5 ΢ԥ饹Ƿ׻ޤޤ...^^;
4+17/2-3/2=11
101ڡ 0:42:02 35115
CRYING DOLPHIN
줬Ԥ򤫡
ttp://cdcdcd.sansu.org/pika/junkfoods/toi665-oriori.gif
142333211211

Ǥ⤳ޤǤ31Ȥäᤤ
(ȤĤĤˤǷ׻ߥŤͤΤϤɤry)

ï⤤ʤԳϡ 101ڡ 0:50:42 HomePage:ƻ35116
⡼ޥ
#35116
ʤۤ...
錄ɽְäƤޤ...5cm ˡ17ФˤäĤƤ...^^;
101ڡ 1:00:06 35117
Mr.ǥ
μDz򤭤ޤ
(1) ABդȤABFGCƱ¦ˤĤꡢGFGI1cm)ǤɤȤ롣
ʤȡEPCI17cm^2
(2) BPCCP˴ؤޤ֤ΤB'PCȤȡB'DI3դ 3,4,5 (cm)
(3) 5ѷABCDE5ѷGAPB'I ꡢED5cm)
(4) 3:4:5 ,ȤäơEľDB'˲ĹϣcmȤʤΤǡEDC3/2(cm^2)
(5) 5ѷABCDEᢢABCEݢEDC(1/2)ABFG3/225/23/211cm^2
-----ʾǤ------

101ڡ 16:08:40 35118
Ȥ
ޤ󻰳Ѵؿǡ

褺դο޷B(0,0),C(4,0),E(5,1),A(0,5)Ȥ
tan(ִ)=-1/4
tan(2*ִ)=2*tan(ִ)/(1-(tan(ִ))^2)
=2*(-1/4)/(1-(-1/4)^2)=-8/15
ľCD:y=-8*(x-4)/15 x=aȤ
D(a,-8*(a-4)/15) ȡC(4,0)ȤεΥ1
(a-4)^2+(-8*(a-4)/15)^2=1
򤯤
solve((a-4)^2+(-8*(a-4)/15)^2=1,a);
a=83/17(Ŭޤ),a=53/17
D(53/17,-8*(53/17-4)/15=8/17)
5+(5+8/17)*(53/17-1)/2+(4-53/17)*(8/17)/2=11()
˭ԡ 101ڡ 6:29:19 MAIL:fttnm528@ybb.ne.jp 35120
ѥ&10ﶥ
AEαĹAS=4SȤ
SCST=4TȤ
EDCƱETC(PCE=45Ѥ
4*5-ʡ3*5-3*4/2+3*4/2ˡ11

⤦٤HP򤵤Ƥ
http://www.geocities.jp/tsuyoshik1942/
轵ƤǤˤäƤޤ
̤ΤϤǺǸȤޤ
101ڡ 7:08:13 35122
ϥ饮㡼ƥ
Ϥ褦ޤ

DBCʿԤȤϻѴؿǤ
101ڡ 8:44:20 HomePage:湩ؤ˥35123
(Keigei)
CDαĹEPθQȤ롣
ABCEѤ 25/2 ľջѷCPEѤ 17/2
ޤCBP梤CPQ ꡢCBCPCPCQ 顢CB*CQCP^2
4*CQ2*EPC ȤʤäơCQ17/4
äơCDE(4/17)CQE(4/17)(3/4)CPE3/2
ѡABCEݢCDE25/23/211

101ڡ 9:26:02 35124
abcba@jugglermoka
ͤڤۤȤƱˡǤȤꤢ.....
ѷAEPEP򼴤ޤ֤޷AEFP90žƤä55ˤ33ˤʤޤ
FPDEθGGޤࣲĤľѻѷǤƤ줾Ѥ3/8,27/8AEFPʬѤABCDEѤκ(27/8)-(3/8)=3ˤʤäƤ狼ޤABCDEѤ27/8GޤľѻѷޤǤΤǡ
42+3=11Ȳ򤭤ޤ
101ڡ 9:38:20 35125
ޥ
#35116C-D
ϥˡʤȤˤΤΤǤC-D󤬤դˤʤ뤳ȤͽۤƤޤ

#35108
> 򸫤ִ֤ˤ狼ä

ϥӥ硼Ǥäơ(^^;Ƥޤ
PowerBook 101ڡ 11:34:00 MAIL:masaru-y@sansu.org HomePage:Men @ Work35126
fumio
Ϥ褦ޤפ֤Ǥä񤷤Ǥ͡
ƬˤʤޤϤϤϡ
101ڡ 12:00:10 35127
uchinyan
Ϥˤϡơϡ
ֲѤʿ޷ʤפȤΤݡ̣줬ҥȤʤΤ⤷ޤ͡
ʤΤǡȹͤޤޤФˤɤʤƱȻפޤ (^^;

(ˡ1)
CD D ˱Ĺ PE 򲼤­ HI ȤˡE P CD αĹȤθ Q Ȥޤ
ޤ餫ˡPEACPBCPH ϹƱǡEPC = 90Ǥ
ơQPH = EPC - CPH = 90 - CPB = PCB ʤΤǡPQH CPBPEA ǡޤ餫ˡEQI ȤǤ
ǡPQPE = PHPA = PBPA = 14EQPQ = (PE - PQ)PQ = (4 - 1)1 = 31EIPH = EQPQEI1 = 31EI = 3 cm
ǡQHPH = PBBCQH1 = 41QH = 1/4 cmDQ = CH + QH - CD = 1/4 + 4 - 1 = 13/4 cm Ǥ
ʾꡤ
޳ѷABCDE = PEA + CPB + CPH + PQH + DEQ = CPB * 3 + PQH + DEQ
= BC * PB * 1/2 * 3 + PH * QH * 1/2 + DQ * EI * 1/2
= 4 * 1 * 1/2 * 3 + 1 * 1/4 * 1/2 + 13/4 * 3 * 1/2
= 6 + 1/8 + 39/8
= 11 cm^2
ˤʤޤ
ʤǸη׻ϡ
޳ѷABCDE = ABCE - ECD
= (AE + BC) * AB * 1/2 - CD * EI * 1/2
= (1 + 4) * (4 + 1) * 1/2 - 1 * 3 * 1/2
= 25/2 - 3/2
= 11 cm^2
ñ⤷ޤ͡

(ˡ2)
(ˡ1)κǸμ򸫤Ƥơ֤AB դȤ CDED դȤʿԻշȾʬФΤ
ȻפäơƹͤƤߤˡǤ
ޤϡ(ˡ1)Ʊˤˡ޷Τ EC M 濴 180ž
줾ΰư'פĤɽȤˤޤΤȤE = C'C = E' Ǥ
ȡ(ˡ1)١˹ͤʬȻפΤǡ٤ݤʤΤǾάޤ
ABA'B'PCP'EHDH'D' Ϥ٤ǡäˡD' EP' ˤꡤED'//DCED//D'CD'H = DH = 3cmޤ
ǡEDCD' ʿԻշǡCD = 1 cm դˤȹ⤵ EH = 3 cm ˤʤꡤ
޳ѷABCDE = (ABA'B' - EDCD')/2 = (5 * 5 - 1 * 3)/2 = 22/2 = 11 cm^2
ˤʤޤ
Ϥ줤ǡˤ⻻ǤˤϺǽ餫ϤȤƤפĤʤʡȻפޤ

(ˡ3)
(ˡ2)ͤƤȤˡʪȤƤǤˡǤ (^^:
ϡ(ˡ1)Ʊˤޤȡ
޳ѷABCDE = ABCE - ECD ǡABCE = 25/2 cm^2 ϤʬΤǡECD ФǤ
ޤECP = ABCE - PAE - CPB = 25/2 - 2 * 2 = 17/2 cm^2 Ǥ
ˡCQPCPHPQH ϳ٤δطǡCPH CPB ϹƱʤΤǡ
CHPH = 41PHQH = 41CHPHQH = 1641CQCH = (16 + 1)16 = 1716
CQ = 17/16 * CH = 17/16 * 4 = 17/4 cm
CQPCPH = CQCH = 1716CQP = 17/16 * CPH = 17/16 * (4 * 1 * 1/2) = 17/8 cm^2
ECQ = ECP - CQP = 17/2 - 17/8 = 51/8 cm^2
ECDECQ = CDCQ = 1(17/4)ECD = 4/17 * ECQ = 4/17 * 51/8 = 3/2 cm^2
ǡ
޳ѷABCDE = ABCE - ECD = 25/2 - 3/2 = 11 cm^2
ˤʤޤ

ϡǼĤɤΤڤߤɡˡäѤ (^^;
ͥνȡ 101ڡ 13:50:23 MAIL:uchi@sco.bekkoame.ne.jp 35128
uchinyan
ǼĤ򡤤äɤߤޤϤꡤѤǤ

#35107
ȤꤢãŤӡѷãģŤãŤ򼴤ޤ֤ޤ
ȤˡǤCE ϤǤƤΤǤϡ
ֻѷãģŤãŤ򼴤ޤ֤פȤդ꤫餹ȡष#35122˶᤽Ǥ

#35108#35114#35116#35118#35125#35128(ˡ2)
Ϳ줿޷դ 5 cm ˡľѤϤդ 4 cm 1 cm λѷ 8 ¤٤޷ΰˤʤ롤
ȤȤˡܺ٤Ͼİ㤦褦ạ̇̄Ǥ
#35116οޤʬ䤹Ǥ򻰤ġ缡¦֤Ƥ褦ʿޤˤʤޤ͡
ʤ#35118
(3) 5ѷABCDE5ѷGABB'I ꡢED5cm)
¿ʬ5ѷABCDE5ѷGAPB'Iפδְ㤤ʡ

#35109#35110#35112#35120#35123
ؤˤˡѴؿΤ褦Ǥ(#35120ϡɸ⡣)
Cʬ8:15:17ľѻѷ줿ΤǤҤ׻ޤ
DCB = PCB * 2 ľѻѷʤޤ͡

#35111
PBC PC ޤ֤ PB'C ȤAPE EP ޤ֤ A'PE ȡ
A'B'P ƱľˤꡤA'E//B'D ˤʤ뤳ȤȤˡ

#35113
ؤˤˡʿȤäȤΤȡ
ʿȤäȤΤǿؤˤʤޤˤϡ#35128(ˡ1)˻Ƥ褦Ǥ

#35115
ؤˤˡʿȡ¿ʬȤäˡͻҡ
ϡȯۤϡ#35108ʤɤ˶ᤤ褦Ǥ

#35122
AEαĹAS=4SȤ
SCST=4TȤ
䢤EDCƱETC(PCE=45Ѥ
Ȥˡʬ䤹ˡȻפޤ
4*5-ʡ3*5-3*4/2+3*4/2ˡ11
¿ʬ4 * 5 - ((3 * 5 - 3 * 4)/2 * 2 + 3 * 4/2) = 20 - 9 = 11 δְ㤤

#35124#35128(ˡ3)
ޤ ECP ᡤ Ȥä ECD ơABCE Ȥˡ

#35128(ˡ1)
CD D αĹ EP θ ޳ѷABCDE 򻰳ѷʬ䤷ʤɤȤäƤѤˡ
ͥνȡ 101ڡ 15:59:07 MAIL:uchi@sco.bekkoame.ne.jp 35129
Mr.ǥ
#35129
> (3) 5ѷABCDE5ѷGABB'I ꡢED5cm)
> ¿ʬ5ѷABCDE5ѷGAPB'Iפδְ㤤ʡ
uchinyan󡢤Ŧͭ񤦤ޤ
Ĥ̤ǡץߥ򤷤Ƥޤפޤ

#35126
>> 򸫤ִ֤ˤ狼ä
> ϥӥ硼Ǥäơ(^^;Ƥޤ
ʥӥ祦äƤߤ

101ڡ 16:20:13 35130
á
硼äȻ֤ääɡ򤫤ä
101ڡ 18:30:47 35131
ѥ&10ﶥ
#35129
uchinyan󡢤Ŧ̤Ǥ
#35122μ˴ְ㤤ޤ
101ڡ 18:48:39 35132
Σ
ϵǤ

CDĹABȤθFȤ
PCFؿCFȤθJȤ롣
AEĹAG=4cmȤʤG֤
DCG˿CGȤθHȤ롣

CBF梤PJF
PJ=PB=1cmBC=4cm
FJ= 8/15 cm
FP=17/15 cm

PJF梤DHC
DH=5/17 cm
HC=8/17 cm

ѤĹABCG
ѷDCHDHGEѤΡ
DCHѤϡ60/289
EGCDѤϡ2541/289

Ѥ
20 - 60/289 - 2541/289 = 20 - 2601/289 = 20 - 9 = 11

ʤ¾βȳӤ٤Ѥ
102ʶ 4:52:25 35133

פ֤Ǥ⤷ޤ
ɤʤƱ⤷ޤ󤬡ˡ񤤤Ƥߤޤ

ţФȣУä2դȤţУãѤĤꡢѤȣĤ֡
ˡŤģѤ˿ţȤ

ȡУš£ãСģѣáȣţ ϹƱˤʤΤǡ
ģѡţȡᣴ(cm)

ͳѷţУãġţУãѡݢãģѡݢţģ
ᣱݣݣ
᣷(cm^2)

ˡУŤȢ£ãФʬ­ơ
ܣܣᣱcm^2
102ʶ 17:50:43 35134
hazawa
PBCPCޤ֤PB'CĤ롣
APEEPޤ֤A'PEĤ롣
ȢA'B'C90ˤʤA'B'3ʤΤ
CDEѤϡ3/2
ABCE 25/2ʤΤ
11
102ʶ 19:23:17 35135
ߡ
ޤǤ˵Ǥʤ

ޤβǡľѻѷ¦ޤꡤ˾꤬ޤǤУգѤΣ飱ѣѤޤˤʤޤ

ǡ12.5&#13216;(Ⱦʬ)飱ߣࣲ1.5&#13216;Ǥ͡

轵ʹߤ⣰񤷤ǤäȻǰǤ
102ʶ 20:16:14 35136
ߡ
ʸġ
&#13216(̣狼)ϡcm2פǤ
102ʶ 20:17:17 35137
Ѥ
פ֤Ǥ§Τǻä륿ߥ󥰤򼺤äƤޤʾС
ޤ֤Ǥ
֡ 103ڡ 10:04:07 HomePage:֥35138
ߡ
ʸġ
&#13216(̣狼)ϡcm2פǤ
103ڡ 14:51:30 35139
doba
#35142
Ȥ⡢̲ʤͤDz򤱤Τǡ
ȤΩƤȻפޤ衣
Υ롼ΥѥϤɤDz򤤤Τ
ФǤϤʤ褦ʵϤޤ































103ڡ 19:59:21 35144
ߡ
۾˥¿ΤϲʤǤ礦ġ
104 13:55:09 35146
Фݡ
#35146
ޥ뤵򤵤¿οͤŤ󤸤ʤ
104 22:36:35 35147
mhayashi
#35129 uchinyan
ޤ
CE ϤǤƤΤǤϡ
㡼޳ѷʤȤĹˤδְ㤤Ǥ

ʤΤäȻפޤΤǡʲ˿ޤ֤Ƥޤ
http://mhayashi.s59.xrea.com/images/misc/sansu665_udsf11.png

#35116
ȤäΤǤ͡
KANSAI 106ʲС 1:20:48 HomePage:M.Hayashi's Web Site35148
hide
ʤȤʤˤäǡʻǤäƤޤ

n,mߤǤʼȤm/2,n1,m3ΩäƤ롣
ΤȤȾ£αߤܤm/nѷSn,mѤɽ

PI=߼Ψ
=PI/m
A=tna{(m-1)/2}
Ȥ
S=((2A/(A^2+1))^2)*tan((m-2n+2))*sin*m^2/2
Ȥʤޤʳ̤Ĥʡ
äȴñˤǤ뵤ʤǤʤǤ֥åס
ɤʤȽǤƤ
107ʿ 16:06:57 35149
⡼ޥ
#35149
hide ^^
郎褯ʬޤ...
ߤǤʤ...m/n ˤϤʤʤǤ...?
Ȥ...5/2ѷȤ7/3ѷȤäǤʤ...Orz...
107ʿ 18:11:08 35150
ߡ
ѷ/ѷǤϤʤǤ礦

ϴ֤˹ä黲äǤޤ
107ʿ 23:53:23 MAIL:amimorisama@hotmail.com 35151