ؽ
ΥܡǤȤޤ
ȤȤ󤬸Ƥޤ͡ġ
529ڡ 0:05:07 41842

٤Ƥɸǹͤ
Τ˲򤭤ޤ
裲롼ס 529ڡ 0:07:21 HomePage:41843
ǯ
˺ɸ黰ʿǡ롪
ϤᡢܤΤޤä褦ʵơɤʤäʡ
529ڡ 0:15:45 41844
Ȥ
ɸA(40,30),B(0,0),C(40,0),N(20,0)ȤP(28/5,21/5),Q(40,15)
M((28/5+40)/2=114/5,(21/5+15)/2=48/5)N(20,0)εΥ
sqrt((114/5-20)^2+(48/5)^2)=sqrt((14/5)^2+(48/5)^2)=
sqrt(196/25+2304/25)=sqrt(2500/25)=sqrt(100)=10()
˭ԡ 529ڡ 0:18:55 MAIL:fttnm528@ybb.ne.jp 41845
Mr.ǥ
Ȥꤢؤǡ
P,MBC˲򤽤줾졡RSȤ
ꡡPR=21/5BR=28/5
SC=86/5MS=14/5NS=48/5
MNSˤơʿ
MN{(14/5)^2+(48/5)^2}10
ʾ塢Mr.ƥǤ
ʻǤϡ줫顡ܥܥȡ
529ڡ 0:28:34 41846

B(0,0) C(40,0 A(40,30)Ȥ
P(28/5,21/5) Q(40,15) N(20,0)
M((28/5+40)/2,(21/5+40)/2)=(114/5,48/5)
ʿMN=10
529ڡ 0:31:46 41847
baLLjugglermoka
ʿDz򤫤Ƥϡ7:24:25ǻˡˤʤޤ͡
529ڡ 0:37:16 41848
å
BCĹȾʬȾʬ򤫤ʡ
529ڡ 0:37:53 41849
å
NMαĹABθRȤ롣
QN//AB , QN25 , PMQMꡢMPRȢMQNϹƱ
äơPR25AR18MNR
AR18ꡢRC֤CRABϿľ
RBCľѻѷNϼդʤΤǡRN40220cm
äơMN20210cmȡŪޤ()
529ڡ 0:48:47 41850
ߤ
ľѻѷΣդϣˤʤ롢äƤΤϻϰϤǤϤʤ
ȻפĤĻʿDz򤭤ޤ

ǤϣΤäƤΡʸս񤭤¿ʡ
ȤƤ⡢䣷ΤäƤΩǤ
529ڡ 0:52:57 41851
ޤ
ʿǷ̤äƤθդǤ
NMABθLȤȡϢNQ=1/2AB
դξüγѤǡMLPᢤMNQ ML=MN (i)

ACL梤ABC(Ѥդˡ ALC=90
LBCľѻѷȤʤꡢLN=BN=CN=20 (ii)

(i), (ii) ꡡMN=10
529ڡ 0:54:24 41852
⡼ޥ
#41850
쥬Ȥ͢
錄狼餺;Ǥȡ^^;
Ϥ鴮ޤ
¨ ^^;v 529ڡ 1:01:29 41853
ǯ
գ¤أΡ͡áѤ򲼤­ҡӡԡդȤ
ñʡ3,4,5ΡʤɤȤʤ顢
ӣҡ᣸Σҡݣͣӡ᣶ȤʤꡢͣΡᣱ
á
ܤޤΤǡ⤦ǫ...ɵޤ
գѡΣң¤ϡʣˤľѻѷʤΤǡ
ա᣹ѣաᣱ£ҡᣱΣҡᣱ
顢գС¡ݣաݣ£Сᣵݣݣᣳ
ͤľѻѷУѣդμգУѤʤΤǡУӡᣱ
ΤˡңӡУӡܣ£Сݣ£ҡᣱܣݣ᣸
ޤͣӡѣա᣶
ͣΤʣңӡˡ᣸⤵ʣΣҡݣͣӡˡ᣶ľѻѷμաΤˣͣΡᣱ

529ڡ 8:56:25 41854

ɸϤDzŪˡƬĤäƤʤǤ͡
529ڡ 1:49:40 41855
Mr.ǥ

ľMNABθRABAPθ򤽤줾졡S,TȤ
SN=AC/2=15TQ=AQ/2=7.5SN//TQ
RQ=QN
TS=3.5ꡡRS=7BR=25+7=32
NAB˲NHȤȡBH=16HR=16
椨ˡNBHᢤNRHȤʤ
MNNR/2NB/220/210
ʤβˡϤޤꥹޡȤǤϤʤǤ͡

529ڡ 11:38:10 41856
uchinyan
Ϥˤϡơϡ
ϡؤΤäƤȻפ鷺ɸDz򤭤ʤǤ͡ȤƤɸŪʤ
ХꥨϤȤޤʴǡ

NM αĹ AB θ DN AB ˿򲼤­ HȤޤ
ޤCQCA = 12 = CNCB ʤΤǡCQN CABQN//ABQN = AB/2 = 50/2 = 25 cmǤ
ޤQN//ABPM = QMꡤMPD MQNMD = MNPD = QN = 25cmBD = BP + PD = 7 + 25 = 32 cmǤ
ˡNBH ABCABC 345 ľѻѷꡤNBH 345 ľѻѷǡ
BN = BC/2 = 40/2 = 20 cmˤꡤNHBHBN = NHBH20 = 345NH = 12 cmBH = 16 cmǤ
ǡDH = BD - BH = 32 - 16 = 16 cm = BHȤʤäơNDH NBHND = NB = 20cmǤ
ꡤMD = MN äΤǡMN = MD = ND/2 = 20/2 = 10 cmˤʤޤ

ϢľѻѷμդrȻĤĺȤεΥȤʤɤΤˤФ⤦ñˤʤޤ
ɤ򵤤ˤ⤤Τǡǫ˽񤤤Ƥޤ
ʤߤˡϡʤȤǤϴΤȤƤ褦˻פäƤޤ
ͥνȡ 529ڡ 11:54:48 MAIL:uchi@sco.bekkoame.ne.jp 41857
uchinyan
ǼĤɤߤޤ

#41850#41852#41856#41857
NM αĹ AB θͤƱ345 ľѻѷʤɤȤäơMN = BM/2 = BC/4 򼨤ˡ
ŸˤϥХꥨ󤬤ޤ

#41854
MNCQ AB ˿򲼤­ȡ345 ľѻѷʤɤȤäƲ򤯲ˡ
ȤʤɸäݤΤǤޤϰϤǽǤƤꡤʤʤ̣ˡǤ

#41843#41844#41845#41846#41847#41851#41853#41855
ؤˤˡ
ͥνȡ 529ڡ 12:58:39 MAIL:uchi@sco.bekkoame.ne.jp 41858
ϥ饮㡼ƥ
ˤǤɤäǤdzĹ
ԥ饹MNޤ

뤯ʤޤۥ򸫤˽Фޤ
529ڡ 21:06:25 HomePage:湩ؤ˥41860

;2ȯȤޤ
ǰʤ顢ޤˡĤ줺
Tokushima 530ʶ 10:10:29 HomePage:41861
Ф
ƥԥ饹ǤǸˣľѻѷФΤʤͤäƤ뤫ʤȻפʤϤǤ
531ڡ 11:50:14 41862
mukku
ȤǤǤޤ
531ڡ 17:35:50 41863
fumio
Ϥ褦ޤ
⸵ǤФޤ
61 4:42:29 41864