ACĹAB=ADȤʤջѷABDĤ
CBD=롢PB=PDꡢPBDѷ
äBP=BD,PBC=DBC,BC̤ꡢPBCᢤDBC
BPC=BDC=
äƢAPCV=360-APB-BPC=360-150-72=138
ȵޤ
ѷФΤǤϤȻפȤꤢջѷˤƤߤ顢ޤäƤޤޤ
Ϻꡡ 331ڡ 0:28:43 44334
٥륯åĥ
APоΤμȤƣ¤б¡ǤȤջѷꡢоΡľѻѷιƱʤɤѤƹͤޤ
Ѥ餺޷϶Ǥ
331ڡ 0:36:45 44335
Mr.ǥ
ACC¦αĹˡADABȤʤDȤ
ľAPBDθEȤ
AEBDABDADB72
CBD30
ABDϡAEδؤоΤ

PBDϡѷ
BC˴ؤPDоΤȤʤ뤫CPBCDB72
CPE723042
APC18042138
ʾΤ褦˵ޤ
331ڡ 0:37:11 44336

PBCޤ֤ƢP'BCȡBPP'ѷˤʤ롣
ȢAPBȢAPP'ϹƱʤΤǡCAP'ˤ롣
331ڡ 0:41:06 44337
ǯ
APĹBCȤθQȤȡQPBջѷǡBQP120
AQCAQ򼴤ȿžơCιԤABˤRȤ롣
QRBPοľʬʤΤǡRBPջѷ
RPB12ȤʤΤǡRPAAPC(180-18-12)-12138Ȥʤ롣
331ڡ 0:47:05 44338
CRYING DOLPHIN
ѷȡǤʤߤΡ36-72-72פդȤ߹碌ưڤäͥǤ
ttp://cdcdcd.sansu.org/pika/junkfoods/san1-q968-2touhen-sei3-gattai.png
ï⤤ʤԳϡ 331ڡ 0:51:48 HomePage:֥⤢롣44339
uchinyan
Ϥˤϡơϡ
ࡤɤ⤳ΤȤ󥰥졼ݤ٤϶ռꡤȤʤǤޤΤǤ
ϳȤޤޤȤϤĿŪˤϤäȶȤƤ٤ɸŪʤΤʡ
ʴǡ

AP αĹ BC θ QABP AP ˴ؤޤ֤ B ΰư DȤޤ
BAP = 18= CAPAB > ACꡤD AC αĹˤޤ
BPQ = BAP + ABP = 18+ 12= 30롤DPQ = BPQ = 30롤BPD = BPQ + DPQ = 30+ 30= 60롤PB = PD
ꡤPBD ѷǤǡPBD = 60롤BP = BDǤ
ơPBC = 30롤ʤΤǡBC PBD ʬˤʤꡤBP = BD ʤΤǡBC PD οľʬǤ
ǡCPD CP = CD ջѷˤʤꡤCPD = CDP = ADP = ABP = 12롤Ǥ
ꡤ = APC = 180- DPQ - CPD = 180- 30- 12= 138롤ˤʤޤ

ˡϤȤꤽǤ͡
331ڡ 12:38:26 44341
uchinyan
ǼĤɤߤޤ


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

#44334#44335#44336#44339#44341
AC αĹ AB = AD Ȥʤ D PBD ѷȤʤ뤳ȤȤˡ
ABP AP ˴ؤޤ֤ʤɡХꥨ󤬤Ȥޤ
#44341ϤΥХꥨȻפޤäȤ#44338Ȼʬ⤢ޤ

#44337
PBC BC ˴ؤޤ֤ P'BC ȡBPP'ѷˤʤ뤳ȤȤˡ
ǽϰ㤤ޤɤϡ#44334ʤɤƱǤ

#44338
AP αĹ BC θQAQC AQ ˴ؤޤ֤ C ΰư RȤƹͤˡ
QR BP οľʬˤʤΤݥȤǤѷۤˤϻȤޤ
ʤۤɡʲˡ⤢ΤǤ͡

#44343
ABP A 濴 36ȿײ˲žAC αĹ AB = AB'Ȥʤ B'ޤ P'äƹͤˡ
ʤۤɡʲˡ⤢ΤǤ͡

#44345
2ʬоƻϤȤʸ˽äƲ򤱤ޤ
Ȥˡܺ٤

#44344
ؤˤˡ
331ڡ 17:29:12 44342

ˤϡ
ä˺Ƥޤޤ
Τ褦ʲǤʣƤʤ褦˸ޤΤǡĿޤϤ
http://www.fastpic.jp/images.php?file=8689984813.jpg

ABPA濴36ȿײ˲ž
ACαĹAB=AB'ȤʤB'ޤP'Ȥ롣
ޤP'PA=72
B'PP'B'P=B'P'ջѷʤΤ
B'P'P=B'PP'=78AB'P=12
ޤACB=102ʤΤPB'BCBB'Pѷ
äƢCB'PCB'=CPջѷʤΤ
CB'P=CPB'=12äƢAPC=72+78-12=138
Ȥޤ
䡼ä꤬¿ʤޤ(>_<)
331ڡ 16:34:38 44343
uchinyan
#44341ǡ
任ȤƤ٤ɸŪʤΤʡ
Ƚ񤭤ޤϢν­Ψ򸫤ȡɸŪ񡤤ʡȤƤޤ
#44339ˤ褦ˡʬäƤޤдñʤΤǤ


裹ʣ 

伡 ڡ˸Ȥʤޤ
Ȥޤ͡轵Ϥ٤ߤʤΤǤ礦

ȡĤϤزˡʤΤ䤷Τǡ
ͤޤǤˡѴؿˤزˡ񤤤Ƥޤ礦
٤οñʷ׻ǤǤƤޤޤ͡

ʲǤϡ٤ñ̤ϡ֡פȤޤ
ACP = x0 < x < ACB = 180 - 18 * 2 - (12 + 30) = 102Ȥޤ
ABP ѤơAP/sin(12) = BP/sin(18)
ACP ѤơAP/sin(x) = CP/sin(18)
աäơ
sin(x)/sin(12) = BP/CP
PBC ѤơBP/sin(102 - x) = CP/sin(30)BP/CP = 2sin(102 - x)
ǡ
sin(x)/sin(12) = BP/CP = 2sin(102 - x)
sin(x) = 2sin(102 - x)sin(12) = cos(90 - x) - cos(114 - x) = sin(x) - cos(114 - x)
cos(114 - x) = 0 = cos(90)
0 < x < 102 ꡤ
114 - x = 90ACP = x = 24
ǡ
= APC = 180 - CAP - ACP = 180 - 18 - 24 = 138롤
ˤʤޤ
331ڡ 16:56:26 44344
ϥ饮㡼ƥ
褦䤯Ǥޤ2ʬоƻϤȤ
ʸ˽äƲ򤱤ޤ

ŪǤϤʤä褦ʵ⤷ޤŪǤʤ褦ʵ⤷Ƥޤ
331ڡ 17:08:23 HomePage:湩ؤ˥44345
ޥ
轵ǤĿŪʻˤꤪ٤ߤˤʤޤ

ȡǣפΥեߤʤΤǤǯϼ»ܤǤ뤫ɤޤꤷƤޤ󡣤ˤ衢Τ񤤤ˤϺǯԤΤǤ줬ǣפˤʤ뤫ɤ̤äꤷޤޤ󤬡򤤤йǤm(__)m
MacbookPro 41ʶ 19:20:14 44346

ФʤΤǤIMCβˤäޤġ
46ʿ 10:16:16 44347