Mr.ǥ
CQAQ12.CPBP13
CQ6/5CP8/10

CAQܢCBP45ꡡPCQ135
PCQ1/2*6/5*8/壱*135ˡ12/5

ȤꤢФƤơܥܥǡ
627ڡ 0:30:05 40660
abcba@baLLjugglermoka
*40660ʬƱˡФޤ餯μλˡϻʿξλη׻?ݤʤꤽǤ͡
627ڡ 0:34:46 40661

Ωο޷ʤΤޤ

CPCQĹȾѤθǵƤPCQ=135٤ˤʤ뤳ȤѤѤ12/5餫˻ͤ
627ڡ 0:44:51 40662
󤹤
ϤĤΤǤ͡
錄 #40660Ʊܤܤǡ

פĤʤäΤǤȤꤢ
ȾѤθ桦ʿȤPQʳΤ٤ƤդĹФ()
ϳٹǢPCQ135
ѸS(1/2)(6/5)(8/10)sin13512/5
ޡȤʤҤ꤬ͤפĤʤƲǤˡΤꤿǤ͡
627ڡ 1:03:53 40663
⡼ޥ
դΣcm⿴鲼ƤǤ뢤Ȥ줾ʢ
4:2...2/20
6:2...2/40
٤135...
6*8*(4/800)*(2/2)/2=48/20=2.4
狼餺...^^;

ɤ֤Ƥߤޤ...^^;
αƤȻפǤޤ...αƤ6ʤ...36Ǥ...Orz...
627ڡ 1:08:03 40664
CRYING DOLPHIN
٤ܤơBPCȢAQC2󤺤ޤ֤
http://cdcdcd.sansu.org/pika/junkfoods/san1-a845-4kaiottayo.PNG
TUCˤRU86104cmꡢѤ682(4/10)48/5cm^2
ޤTCU45١PCQ135(BUCܳARC90ܡ90ܢ18045225٤ʤɤ)
ơCPCRCQCSꡢRSCȢPQCѤ
ˡϢꡢRSCȢTUC1214
椨ˡPQCᢤRSC48/5412/5cm^2
ï⤤ʤԳϡ 627ڡ 1:09:05 HomePage:֤⤢40665
󤹤
#40665 ưޤ
ޤ򸫤ִ֡줿Ĥäƻפޤ(^^;
627ڡ 1:19:12 HomePage:twitter40667
ޥ
#40665 C-D
Twitterǡ֤餯פƤΤȤϤޤ͡Ϥ򤽤ΤΤǤ
iMac 627ڡ 1:27:10 MAIL:masaru-y@sansu.org HomePage:40668
Ȥ
ɸǡ
B(0,0),C(8,0),A(8,6)Ȥ2ܳѤθִ,Ĵݤ
tanͤǤľBP,CPθP,ľAQ,CQθQ
CPQλդĹʿǵإθ餽Ѥ
maxima ǵ

trigexpand(tan(2*a))$
solve(%o1=3/4,tan(a))$
rhs(part(%o2,2))$
solve(%o1=4/3,tan(a))$
rhs(part(%o4,2))$
e1:y=-%o3*x$
e2:y=(x-8)/%o3$
e3:y=-(x-8)/%o5+6$
e4:y=%o5*(x-8)$
solve([e1,e2],[x,y])$
part(%,1)$
solve([e3,e4],[x,y])$
part(%,1)$
expand((rhs(part(%o11,1))-8)^2+rhs(part(%o11,2))^2)$
sqrt(%)$
expand((rhs(part(%o13,1))-8)^2+rhs(part(%o13,2))^2)$
sqrt(%)$
expand((rhs(part(%o13,1))-rhs(part(%o11,1)))^2+(rhs(part(%o13,2))-rhs(part(%o11,2)))^2)$
sqrt(%)$
a1:%$
b1:%th(4)$
c1:%th(7)$
expand((a1+b1+c1)*(b1+c1-a1)*(c1+a1-b1)*(a1+b1-c1))$
factor(%)$
sqrt(%)/4;12/5()
˭ԡ 627ڡ 1:33:52 MAIL:fttnm528@ybb.ne.jp 40669
ϥ饮㡼ƥ
ᤦޤѴؿǤ׻ְ㤤򤷤ѤǤ
627ڡ 7:40:54 HomePage:湩ؤ˥40670
uchinyan
Ϥˤϡơϡ
ϡƻޤ֤Ǥ͡ʴ

AB ˡAD = AC = 6 cmBE = BC = 8 cm Ȥʤ DE ꡤCDCE MN Ȥޤ
ȡ
ADMACMACQ ϹƱDM = CM = CQACD = ACQ
BENBCNBCP ϹƱEN = CN = CPBCE = BCP
DCE + PCQ = (ACD + BCE - ACB) + (360- ACQ - ACB - BCP) = 360- 90* 2 = 180
ȤʤäơCPQ = CMN Ǥ
ˡϢꡤDE//MNMNDE = 12CMN = CDE * 1/4Ǥ
ơCDE = ACD + BCE - ABCǤC AB ˿򲼤­ H Ȥȡ
AHCCHBACB 345 ľѻѷʤΤǡ
CDE = ACD + BCE - ABC
= AD * CH * 1/2 + BE * CH * 1/2 - BC * AC * 1/2
= AD * (AC * 4/5) * 1/2 + BE * (BC * 3/5) * 1/2 - BC * AC * 1/2
= 6 * (6 * 4/5) * 1/2 + 8 * (8 * 3/5) * 1/2 - 8 * 6 * 1/2
= 72/5 + 96/5 - 24 = 48/5 cm^2
ǡ
CMN = CDE * 1/4 = 48/5 * 1/4 = 12/5 cm^2
ˤʤޤ
ͥνȡ 627ڡ 13:24:24 MAIL:uchi@sco.bekkoame.ne.jp 40671
uchinyan
ǼĤɤߤޤ
ۤȤɤزˡΤ褦Ǥ

#40665#40671
٤ܤ BPC AQC 򣲲󤺤¦ޤ֤ˡ
󥯤Ƥޤ򸫤Ǥ͡
ʤ#40671Ͼ̵̤ޤ (^^;

#40673
٤ܤ BPC AQC 򣱲󤺤ij¦ޤ֤ˡ
󥯤Ƥޤ򸫤Ǥ͡
ʤʤޤˡȻפޤ

#40660#40661#40662#40663#40664#40669#40670
ؤˤˡ
ͥνȡ 628ʶ 12:17:06 40672
kurokori
¦ޤ֤ѥä褦Ǥ¦ޤ֤Ƥ빽쥤˲򤱤ޤ
http://h-kusunoki.blogspot.jp/2013/06/845.html
627ڡ 17:32:37 40673
mukku
ʤۤɡޤ֤
628ʶ 3:32:20 40674
uchinyan
#40673
ޤˡȻפޤ
β֥˥åפΤϥޥΤǤϡ
ͥνȡ 628ʶ 12:14:51 MAIL:uchi@sco.bekkoame.ne.jp 40675
kurokori
>>uchinyan
1ФäƤǤפȻפäƤǤ1֤ۤɤǤ͡
628ʶ 13:14:51 40676
kurokori
󤫤顢֥ؤβƤϰ콵ַФäƤˤޤ
Ŧ꤬Ȥޤm(_ _)m
628ʶ 16:42:38 40677
ĿϺ
⳰¦ޤ֤ˡDz򤭤ޤθβۤʤäƤΤǡޤ򥢥åפƤߤޤ
https://www.evernote.com/shard/s111/sh/76b6e641-2dac-4ed6-93f3-8e5a3410bbd7/6c6d0f22e5e93522f7f9d4cf40b3a8c8
71ʷ 19:01:22 MAIL:mail_nakayoshi@yahoo.co.jp 40678