ߡ
ġ
ȿǤʤġ
34ڡ 0:13:55 MAIL:amimorisama@hotmail.com 35873

ʤʤФʤΤǺߤޤ

УαĹȣѣĤαĹθҤȤ
УҢݣѣҤǡҡ᣶ѡᣱꡡѣҡ᣸
УѣҡᣴꡡУѣġᣴ3/4ᣳ
ޡ 34ڡ 0:17:46 35874
ͣ.ǥ
УȣѣĤαĹθҤȤȤܣУңѡ90
//Уѡ¡Уѡ12ꡡңС6
äơңѡ8ȤʤꡢУѣġᢤңУѡݢңġ481236
106Ȥ狼顡345 λѷȤΤǤȤδޤ
34ڡ 0:47:41 35875
fumio
ФϡľѻѷĤޤ
641/23ҤʬǤϤϤϡ
ǤϤޤ͡
34ڡ 0:27:21 35876
ѡ
81517Ȥ72425λȤäƤۤ
34ڡ 0:30:28 35877
baka
PAQDĹ3:45ѤΤɥåǤ줤Ǥ

äѤޤPQ413APQDι⤵1213/13ʤΤʤ
34ڡ 0:56:29 35878
⡼ޥ
äȵŤ...^^;
BCMȤ...
BP=BA=BMPAB=90
AMQD ˤơMD // PA ʤΤǡAMD=90
г2ʬΤǡ5:3:4ľѻѷǤƤꡢAM=4 Ȥ狼롣
=(4*6)*(3/2)=36 cm^2

ޤ...Ť٤...^^;v
34ڡ 1:01:19 35879
⡼ޥ
#35879
PQ=((6^2-4^2)/2)*4=45
⤵=4*6/25=125/5
ˤʤ褦...
=(65*125/5)/2=36
34ڡ 1:08:49 35880
⡼ޥ
#35879
ޤ...ְäƤޤ...^^;
PQ=((6^2+4^2)/2)*4=413
⤵=4*6/(213)=1213/13
Ǥ...
Orz...^^;v
34ڡ 1:45:30 35881
ޥ
դ̿ŪʥߥϤʤä...ꥸʥǤΤǾ԰¤Ǥ

Ϥοʬ֡ɽʤäΤϡʤ֤˻ΥݤȻפޤ餤ޤm(__)m
34ڡ 1:52:46 35882
ߤ
(#35877
դĹ椬ʤľѻѷפȤΤϰۤλȤ
ǤϰȤ¿ΤǤʳϻʿϰϤȤ
ؤϰϤˤʤäƤޤǤϤʤǤ礦
34ڡ 1:53:07 35883
Ȥ
ǤȹͤƤޤ֤
ɸǤȰʲΤ褦ˤǤޤ

褺ʸǤ֤aȤ6颤CDCѤ3*sqrt(a^2-9)
CQ=aդȤƹ⤵a*⤵/2=3*sqrt(a^2-9)
⤵=6*sqrt(a^2-9)/a P(0,0)Ȥƺɸ֤B(a,0)
Aľѻѷˤa,դǤʤդΰĤ6*sqrt(a^2-9)/9ǻĤΤΤ
a^2-(6*sqrt(a^2-9)/a)^2=(a^4-36*(a^2-9))/a^2=(a^4-36*a^2+324)/a^2
=(a^2-18)^2/a^2 sqrtݤ (18-a^2)/a=18/a-a Bɸxɸ­
ǽι⤵yɸA(18/a,6*sqrt(a^2-9)/a)Q(4*a,0)
ʸǤ2֤εΥ10餽
CDC6ʬAPQDѤ
solve((18/a-4*a)^2+(6*sqrt(a^2-9)/a)^2=100,a)$
a:%$
expand(a^2-9)$
sqrt(%)$
fortran(expand(%*3*6));
18*sqrt(a**2-9)=36()
˭ԡ 34ڡ 2:37:37 MAIL:fttnm528@ybb.ne.jp 35884
ߤ뤳ä
APDQ˱ĹƦOPQ
ϢOA=6
ޤOPQ+OQP=90POQ=90
OAQܤ3:4:5ľѻѷOQ=8
äƦOPQ=1/2*12*8=48
ܤAPQD=48*3/4=36
34ڡ 3:11:53 35885
abcba@jugglermoka
ͤȤۤȤƱˡǤȤꤢ....
ѷABPջѷʤΤdzABC=2߳PAB
PQŤȤлѷABEջѷʤΤdzABE(1802߳PAB)2=90ݳPAB
PAQDθFȤȻѷAFDỰѷУŤʤΤdzAFDľѡ
ѷƣѤ345ľѻѷPQ=2ADʤΤǻѷAFD=642=12.ѷDPQ=48ʤΤ4812=ȵޤСΡ2ѡN^(2)1ξǤƱͤ˷׻Ǥޤ͡

34ڡ 8:47:22 35886
abcba@jugglermoka
#35886
ABE(1802߳PAB)2=90ݳPAB
ѷBAEδְ㤨Ǥ
仰ѷDPQ=48
ѷEPQδְ㤨Ǥ
34ڡ 8:51:34 35887
uchinyan
Ϥˤϡơϡ
ȤƤϰפʡȤϻפޤǤ
ФïƱʤȻפĤĤ⡤ʴǡ

(ˡ1)
PA A ˡQD D ˡ줾Ĺơθ E Ȥޤ
ȡEAD EPQ ǡAD = AB * 2PQ = AB * 4 ꡤ 12 Ȥʤꡤ
EP = 12 cmEA = 6 cmEADEPQ = 14EADAPQD = 13 Ǥ
ǡBAP ջѷʤΤ ABQ = APB * 2AB//DC DCQ = ABQ = APB * 2 ʤΤǡ
CDQ ջѷǤ뤳Ȥ DCQ + DQC * 2 = APB * 2 + DQC * 2 = 180롤APB + DQC = 90ˤʤޤ
ǡEPQ ˤơPEQ = 180- EPQ - EQP = 180- APB - DQC = 180- 90= 90Ǥ
ȡEA = 6 cmAQ = 10 cm Ȥ顤EAQ 345 ľѻѷˤʤΤǡEQ = 8 cmED = 4 cm ˤʤޤ
ǡAPQD = EAD * 3 = 6 * 4 * 1/2 * 3 = 36 cm^2 ˤʤޤ

(ˡ2)
AP MBC N ȤM N ȤӤޤ
ȡPMPA = 12 = 24 = PNPQ PMN PAQ ǡAM = AP/2 = 6/2 = 3 cmMN = AQ/2 = 10/2 = 5 cm Ǥ
ޤAB = PB = NB ꡤPAM = 90Ǥ
ǡAMN 345 ľѻѷˤʤΤǡAN = 4 cm ˤʤޤ
ǡդĹ٤δط顤ANPNADDQN ϹƱǤ
ǡAPQD = ANP * 3 = 6 * 4 * 1/2 * 3 = 36 cm^2 ˤʤޤ
ͥνȡ 34ڡ 12:13:22 MAIL:uchi@sco.bekkoame.ne.jp 35888
uchinyan
ǼĤɤߤޤ
345 ľѻѷɤäƸĤ뤫ݥȤΤ褦Ǥ͡

#35874#35875#35876#35878#35885#35886#35888(ˡ1)
PA A αĹȡQD D αĹȤθ R ȤȡARQ 345 ľѻѷˤʤ뤳ȤȤˡ

#35879
BC MAQ L ȤȡLMA 345 ľѻѷˤʤ뤳ȤȤˡ

#35884
ɸˤزˡȤϤ׻ǤϾݤǤѴؿ;Ȥäڤ⡣
㤨СAB = a Ȥơ
a * cos(BPA) = 3
10^2 = 6^2 + (4a)^2 - 2 * 6 * 4a * cos(BPA)
100 = 36 + 16a^2 - 144
a^2 = 13
APQD = (2a + 4a) * 6 * sin(BPA) * 1/2 = 18 * sqrt(a^2 - (a * cos(BPA))^2) = 18 * sqrt(13 - 9) = 18 * 2 = 36 cm^2
Ȥ

#35888(ˡ2)
AP MBC N ȤȡAMN 345 ľѻѷˤʤ뤳ȤȤˡ
ͥνȡ 34ڡ 13:13:00 MAIL:uchi@sco.bekkoame.ne.jp 35889
ϥ饮㡼ƥ
ѴؿǤѴؿǤȴñޤ
34ڡ 13:41:11 HomePage:湩ؤ˥35890
Ѥ
3:4:5Ǥ
Ҥäա 34ڡ 18:13:01 HomePage:BLOOOOOOOOG35891
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ؼϰϳǤ礦ϢΩ餤ʤ⹻ον٥Ȼפ
ޤ
34ڡ 21:30:03 35892
ȤޤԤ
ѷAPQ˥ѥåץȤˡ⡣
36ڡ 7:18:44 35893