Ѥ
http://gyazo.com/477bd57c289698f3ef59e5b0b656666e.png
ʴǤ
6cm^2˺줿ƤǤ
֡ 79ڡ 0:11:49 HomePage:֥34757
Ĺ
ŷŤDz򤤤Ƥޤ

Ҥ֤ȡУ// Ǥ
⤵ϡУѣҤѤ 6cm Ǥ
Ңݣң ӡң¡2cm ꡢ
Уҡң¡᣶ᣳ

ߤ濴ϡң¤ӤȤȡ
ϣ////У ӡңӡᣱ ꡢ
УѣϤѤϡ7cm^2 ˤʤޤ

ˡңϣ¢ᢤУϣѡң¡ᢤУϣѡߣ
ң¡14cm^2
Уҡᢤң¡ߣ42cm^2
ʾꡢͳѷУң¤Ѥϡ144256(cm^2)
Ȥʤޤ
Ϥޤޤġ 79ڡ 0:16:32 HomePage:åλؤ34758

PRϸABȾʬĹʤΤǡPAR=45
ƱͤǢQRA=45
AP=RQͳѷAPQR
QARؿARȤθHȤ
PQRѤ6cm^2ʤΤQH=6cm
äARĹ6*2+2=14cm
ARBľѤʤΤǡͳѷѤ
14*6*1/2+14*2*1/2=56cm^2

79ڡ 0:55:36 34759
Ҥ
PR⣱롦Ť٤ޤ
ʼ˸ 79ڡ 0:20:33 34760

ѣϢݣ¤ǡͳѷѣУϢͳѷ£ңѣϡ
УңѡᢤУѡᢤңѣ¤ꡡȾ¤Ȥ
Ѥϡr^2 + 6 ȤʤäΤǤ礤ʤ봪㤤

ң//ѣϡȾ˷դơȾ£Фᡢޤ

褯ȡʤ褯ʤƤˡɤͤƤʿԤʤΤǤľ

ɡѴؿǤˣѣҤФʣ売
ܣУѣҡᣱǤȾ¡ʣ売ˤФޤ

ϤޤäȤޤǤ
ľޤ
ޡ 79ڡ 0:26:51 34761
Ϥʤ
ǤȤΤ褦䤯ǰޤ줫ǼĤߤٶޤ
79ڡ 0:44:25 34762
Mr.ǥ
ڤΤ߽񤤤Ƥߤޤ

(1) R ľPQ˲RH ȤȡPQR6(cm^2)ꡡRH6(cm)
(2) PQH ľջѷȤʤꡢRH6,PH8 PR10 (cm)
(3) POR ľջѷȤʤꡢPOR10*5*(1/2) 25(cm^2)

(4) AOPܢBORᢤAOPܢPOQᢤAOQܢPAQᢤAOQܢPRQ25631 (cm^2)
(5) APRBᢤPOR(AOPܢBOR)253156(cm^2)
ʾǤʾꤷ ˡ
79ڡ 1:13:26 34763
(Keigei)
PQ=2cm,PQR=135롢
RPQˤ­HȤȡ
RH=6cm, QH=6cm 顢PH=8cm, PR=10cm
ABOȤȡOPR=25cm^2
OAP=OQR, OPQ=ORB ʻơ
Ѥϡ252+6=56cm^2
澭פ顡 79ڡ 1:13:36 34764
̤ꤹ
Уѣң¤ϣʤΤ
ѣҡУ¡ᣳ
äƢ£Уҡ᣸cm^2£Уᣴcm^2ףcm^2

ڤǤ
79ڡ 1:26:42 34765
⡼ޥ
ä...^^;
Τ䤳ˡ(3:4:5 ľջѷ)Ǥ...
6=2*6/2⤵ 6
6+2=8
6:8:10
...
Ⱦ¤52
62*82/2+2*8/2=56
79ڡ 1:31:41 34766
3浡Х
ǽ餤ƱȤ򤷤ƣƤޤޤ

45٤äƴñˤǤǤ͡
79ڡ 1:57:17 34767
ߤ
Ⱦߤ濴ϡҤУѤαĹ˲­ӤȤ롣

Ĺξꡢ̣Уѡܸ̣ѣҡʬߤα߼Ȥʤ롣
äƳѣУϣҡ᣹

ӣҤĹϡѷУϣҡ᣶ꣶʬ롣
ͳѷУϣңӤˤơѣϡѣӡ᣹١ϣСϣҤǤ롣

ͳѷУϣңӤϤ濴ˣ٤IJžƤäĤ
夬롣äо顢ѣӡ᣶Ƴ롣
ȤȾʬɬפʤʬФΤǡ
Сʣܣˡߣѡࣲˡݡʣߣࣲߣܣ
᣹ݣ
ᣵǤ͡

ʢuchinyanΤŦˤ
79ڡ 19:56:52 34768
Ȥ
#34767
>45٤äƴñˤǤǤ͡

ʸθ̣С̣ѣҡ̣Уѡ̣ң
POR=90٤
ABOȤ
PQR=PQO+RQO=(180-POQ)/2+(180-QOR)/2=180-POQ/2-QOR/2
=180-(POQ+QOR)/2=180-POR/2=180-90/2=180-45=135
Ȥʤ45ǤȻפޤ
˭ԡ 79ڡ 2:48:36 MAIL:fttnm528@ybb.ne.jp 34769
Ȥ
ϻǤǤޤA,R֤ȢPQRAȤ狼ȽäƴǤ

褺ʸθ̣С̣ѣҡ̣Уѡ̣ң¤顡POR=90٤
ABOȤȢPQR=PQO+RQO=(180-POQ)/2+(180-QOR)/2=180-POQ/2-QOR/2
=180-(POQ+QOR)/2=180-POR/2=180-90/2=180-45=135
A,R֤ȢPQRA
դξǸPQ=RBRB=PQ=2
ޤPQR=6cm^2ι⤵6
QʬAR˿򲼤­SȤ
RQS=PQR(=135)-90=45
ޤQRS=180-QSR(=90)-RQS(=45)=45
QRS=RQS=45 ꡡQS=RS=6AR=2*RS(=6)+PQ(=2)=14
ABľ¤ʤΤǢARB=90
ARB=AR*RB/2=14*2/2=14ޤ
APR=AR*QS/2=14*6/2=42
PABR=ARB+APR=42+14=56()
˭ԡ 79ڡ 3:41:59 MAIL:fttnm528@ybb.ne.jp 34770
abcba@jugglermoka
񤷤äǤ
Ĥ̤īλäʤΤƬǾϤƤϤʤΤ...
ǽŪˡڳͤƱ⤷ޤPQRBʤΤPQαĹXȤ껰ѷPQRѤ6ʤΤգ⤵6ǻѷRQPϣ3:4:5ľѻѷǤ뤳Ȥ
狼Ⱦߤ濴CФľѻѷPCRѤ25ˤʤ롣
äơͳѷAPRB=(25+6)2-6=56
ȵޤʴǽ񤯤Ⱦ꤯򤤤褦˸ޤ
ˡ˹Ԥ夯ϿǥϻפĤΤŪǤ줷ʤȤߤĤ֤Dz򤱤ޤ(᤯޷ǤϤʤȤͤˤФޤ)
ʬȤƤٶˤʤޤͭ񤦸¤ޤ
79ڡ 9:10:37 34771
(Keigei)
⤦IJˡפĤΤǵƤޤ
ľAP,RQθSȤȡ
SPQ,SARľջѷǡSPQ=1cm^2
椫顢SQQR=16, SQSR=17, PQAR=17
äơAR=14cm, PAR=7PQR=42cm^2
ޤARB=14*2/2=14cm^2
Ѥϡ42+14=56cm^2
79ڡ 9:55:54 34772
uchinyan
Ϥˤϡơϡ
ࡤĿŪˤϾ񤷤äפ֤ʿ̴ڤ᤿ޤʴDz򤭤ޤ

(ˡ1)
ߤ濴 O Ȥޤ
AP = QRPQ = RB ꡤOAP OQROPQ ORB Ǥ
ǡAPRB = OAP + OPR + ORBPQR = OPQ + OQR - OPR = OAP + ORB - OPR ꡤ
APRB = OPR * 2 + PQR = OPR * 2 + 6 ˤʤޤ
ǡR PQ Q αĹ˿򲼤­ H Ȥޤ
PR = PQ + QR = AP + RB ʤΤǡPR Ⱦߤ APQRB ȾʬǤ
ǡPOR = 180/2 = 90ǡOPR ľջѷǤ
PQRO ˤơPQR = OQP + OQR = OPQ + ORQ = (360 - POR)/2 = (360 - 90)/2 = 270/2 = 135Ǥ
ǡRQH = 180 - PQR = 180 - 135 = 45ˤʤꡤHQR QH = RH ľջѷǤ
PQR = 6 = PQ * RH * 1/2 = 2 * RH * 1/2 RH = 6 cm ʤΤǡQH = RH = 6 cmPH = PQ + QH = 2 + 6 = 8 cm Ǥ
ꡤRHP 345 ľѻѷǡPR = 10 cm ˤʤޤ
ǡOPR = PR * PR/2 * 1/2 = 10 * 10/2 * 1/2 = 25 cm^2 ˤʤꡤ
APRB = OPR * 2 + 6 = 25 * 2 + 6 = 50 + 6 = 56 cm^2 ˤʤޤ

(ˡ2)
äǤ
ߤ濴 O Ȥޤ
AP = QRPQ = RB ꡤPARQQPBR ǡPQ//ARQR//PB ǡAPQ = PQR = QRB = 6 cm^2 Ǥ
ǡAPRB = ޳ѷAPQRB - PQR = ޳ѷAPQRB - APQ = AQRB = AQB + QRB = AQB + 6 ˤʤޤ
ơAQ = AP + PQ = QR + RB = QB ʤΤǡQ Ⱦߤ APQRB οǡ
QOA = QOB = 90롤QAB QA = QB ľջѷˤʤޤ
ǡA QP P αĹ˿򲼤­ I Ȥޤ
APQO ˤơAPQ = OPA + OPQ = OAP + OQP = (360 - QOA)/2 = (360 - 90)/2 = 270/2 = 135Ǥ
ǡAPI = 180 - APQ = 180 - 135 = 45ˤʤꡤIAP IA = IP ľջѷǤ
APQ = 6 = PG * AI * 1/2 = 2 * AI * 1/2 AI = 6 cm ʤΤǡPI = AI = 6 cmQI = PQ + PI = 2 + 6 = 8 cm Ǥ
ꡤAIQ 345 ľѻѷǡAQ = 10 cm ˤʤޤ
ǡAQB = AQ * AQ * 1/2 = 10 * 10 * 1/2 = 50 cm^2 ˤʤꡤ
APRB = AQB + 6 = 50 + 6 = 56 cm^2 ˤʤޤ
ͥνȡ 79ڡ 12:33:31 MAIL:uchi@sco.bekkoame.ne.jp 34773
ޤ
ʤʤऺäɤȤƤä
79ڡ 13:14:47 34774
uchinyan
(ɲýޤ)
ǼĤɤߤޤפƤ򤤲ˡǤ

#34757
APQR PQ//AR 顤ι⤵AB դȤĹ뤳ȤȤˡ
οޤǤϾܺ٤Ϥͤ줽Ǥ褯ʬʤΤǤ
ʬλѷľջѷˤʤ뤳Ȥ򲿤餫ˡǼ㤨СQ Ⱦߤθ̤οʤɡ
ι⤵ 6 cm ȤȤ顤
AB = 6 * 2 + 2 = 14 cm^2PARQ = 6 * 14 - 6 * 6 * 1/2 * 2 = 48 cm^2
APRB = 48 - 6 + 14 * 2 * 1/2 = 56 cm^2
ʤɤȡΤǤ礦

#34758
ߤ濴 ORB S ȤPQ//AR//OS Ȥäδطˡ
45ŪˤϻȤäƤ餺ʤۤɡȤơǤ

#34759#34770
APQR PAR = QRA = 45롤ARB = 90ȤäƵˡ
¼#34757ƱȻפޤ

#34761#34762
ؤˤˡ

#34763#34764#34766(ؤǤ)#34771#34773(ˡ1)
R PQ αĹ˿򲼤ˤǤ뻰ѷľջѷ345 ľѻѷʤɤȤˡ
ȾѤεˤϥХꥨ󤬤褦Ǥ

#34765
PQRB QPB = 45Ǥ뤳ȤȤˡ
ܺ٤Ϥ⤦ҤȤʬʤǤ
ѣҡУ¡ᣳ
ϡPQBR 򿭤Ф C ȤȡCQR ľջѷˤʤ뤳Ȥ顤
RC = PQR PQ դȤȤι⤵ = 6 cm ǡQRPB = CQCP = 6(6 + 2) = 68 = 34ʡ
äƢ£Уҡ᣸cm^2£Уᣴcm^2ףcm^2
Ԥ餫ԤϡPCR BPA 椬 12 顤ǤΤǤ礦
θ塤⤬ɲäޤβϰۤʤäƤ褦Ǥ
#34782#34783

#34768
Ⱦ#34763ʤɤƱȾʤȤˤȤäƤϡʣǤ (^^;
ͳѷУѣңӤϤ濴ˣ٤IJžƤäĤ
PQRS äƻͳѷǤϤʤ
¿ʬPORS δְ㤤ǡO β 90뤺IJžƻͤĤΤǤ礦
Ѥεϡɤ#34757Ϣۤޤ
(θ塤ϤꡤPQRS PORS δְ㤤ä褦ǡƤޤ)

#34772
AP RQ αĹθ S ȤSPQ ľջѷѤ 1 cm^2 顤PQAR = 17 Ф
AR = 14 cm ʤɤƤˡ
#34765ȻȤ⤢ޤˤʬ䤹Ǥ

#34773(ˡ2)
A QP αĹ˿򲼤ˤǤ뻰ѷľջѷ345 ľѻѷʤɤȤˡ
#34763ʤɤˡȻפޤ

#34780
Ϳ줿޷ 180žΤ򲼤դƱߤˤȡ
λͶ顤 2 ѡ⤵ 1 Ѥľջѷڤä޷ˤʤ뤳ȤѤˡ
θϡ㤨С#34772#34758ιͤήѤСгȾʬ 8 cm ʬꡤ
(8 * 8 * 1/2 * 4 - (6 + 1 + 1) * 2)/2 = 56 cm^2
ȽФޤ͡

#34781
PQ BR ȤĹˤǤ뻰ѷľջѷ345 ľѻѷʤɤȤˡ
#34763ʤɡ#34773(ˡ2)ˡȻפޤ

#34784
ߤ濴 O Ȥ O ˴ؤ P оΤ P' ȤȡѤ PRP' + 6 ˤʤ뤳ȤȤˡ
ʬ㤤ޤ#34763ʤɡ#34773(ˡ2)ˡȻפޤ

ƤߤƤȡˡϡ345 Ȥɤ礭Ĥʬ褦Ǥ
345 ϡ2 cm6 cm^2 ο˰¸ƤΤǡ줬ѤȡʤȤ⻻Dz򤯤Τ񤷤ʤꤽǤ
ΰ̣Ǥϡ345 ȤʤˡͥƤ褦˻פޤ
ޤ45롤ľջѷʤɤŪ˻ȤɤǤ
ϡAP = QRPQ = RB ľܤˤΤǡȤȤʤϡŪˤȻפޤ
¿ʬ#34759դ꤬ɸŪʻˡΤ褦˻פޤ
ǡ45ŪˤϻȤäƤʤ#34758ϡ˴ޤ
ͥνȡ 714ʲС 10:49:39 MAIL:uchi@sco.bekkoame.ne.jp 34775

פ֤Ǥ
ϴñǤ͡
79ڡ 17:15:52 34776
ϥ饮㡼ƥ
򤤤ΤϤФ餯֤ǤǤñǤ
79ڡ 17:52:49 HomePage:湩ؤ˥34777
ߤ
#34775
PQRS äƻͳѷǤϤʤ
Ŧ̤ꡢͳѷУϣңӤθǤ⽤Ƥޤ
79ڡ 19:54:52 34778
Ф
45٤˵ĤϤۤɸʤ

ФݤΤäƤϸ뤬ʤФϡǮϤ⹥45٤餤ޤʨɤǤ⤤

ФݤޤФۤ
http://blog.goo.ne.jp/akeot/
79ڡ 22:06:53 34779
ߤγ
ο޷180žΤ򲼤դƱߤˤȡλͶ
2ѡ⤵1Ѥľջѷڤä޷ˤʤΤǡ
ͤޤ
79ڡ 22:09:02 34780
ϺĹ
פ֤ˤä򤱤ޤΤǡ񤭹ߤޤɤʤȽʣƤ饴ʥ

УѤȣ£ҤĹӤȤȢУѣҡ᣶ʤΤǡӣҡ᣶ӣѣ¤ϡѣӡ᣶£ӡ᣸£ѡᣱľѻѷ
ѣ¡ᣱߣᣵ
Уң¡ᢤѣ¡ܢУѡܢ£ѣҡݢУѣҡᣵܣܣݣᣵ
ð鱩ĤؤԵǻפФĶåƱ
ä줽ˤʤä
פ֤ΰȯ
710ʶ 13:23:22 34781
̤ꤹ
>uchinyan

PBФRοȤθOȤȡ
ROBϢPQRƱ⤵Ǥ1cm^2ľջѷȤʤΤǡ
ROBȢPQR16ꡢOB:QR=1:6PB:QR=8:6=4:3

APBľѻѷǡROBФդȹ⤵6ܤ8ܤ
APB16848cm^2ȹͤޤ
712 16:54:34 34782
uchinyan
#34782
̤ꤹꤵ󡤾ܤ򤢤꤬Ȥޤ

䢤APBľѻѷǡROBФդȹ⤵6ܤ8ܤ
AP⤵ PBȤơAPRO = QROB = 61PBOB = 81Ǥ͡

褯ʬޤ꤬Ȥޤ
ͥνȡ 713ʷ 10:36:17 MAIL:uchi@sco.bekkoame.ne.jp 34783

ޤѥ󤬲줿Τ٤ޤ

ߤ濴OȤ롣
O濴ˤPоΤPɤȤ롣
ޤPOR=POR=90Ǥ롣(̤ʬ)
ꡢPQR=RBP=6ѡ2Ǥ롣
äơѤϢPRP"+6ѡ2֤롣
ѴطĴ٤ȡPQR=135뤬狼롣
顢PR=10Ѥ狼롣(ѴؿѤȥԥ饹פĤˡ)
äơѤ101012+6=56ѡ2Ǥ롣
713ʷ 21:47:46 34784