geometriya 10 klas burda

Page 1

NOBTOPEHH9 KYPCY NIAHIMETPIi

y roAi6srx

rpsRyrrtnrciB BiAHoueHns BiAroBinrqx cropiq piBEi i AopiBErororb oeOiqi€Ery roAi6gocri A. y rrEoMy saeAaEEi e sopissro€ siasoue";; *""",""

MeroA AoroMi crrn! rpxrcyrEnrciB: 1) Bi{mynarn rra Marrrorlny a6o Ao6yAtBaar rpur{yrHrr{! eneMe}Irs.sKoro Morir-

Ea

3rlairn;

2) sKqo sllaiAerlrfi

l

eneMeEr

poBB'sayBaIII]i saxirlrrennfi

3) slirlo lri

rpr.rKyrriHKa

1' 1)

'=8

-i

ie30'=e

t,

*,,=*=l'

+=r"6

r"*);

a,: b, + c, _ " Hacairor: ' eosa= ''2b. Tcopeua c,{HyciB:

,=C,.rt=H=+-g,6

^d10 o, r

(cu);

(1

x=nE +"" mc*"a

- cos.r at+"' 3t =

h'

6rc.

2:9 2=18(cMti 6 2=t2tcvl.

i=,

5e4pe'Jvit (AO

rporrnex{di croponr-i ra&o}ft. MOD DO) sI{ troroBnHn Aiaronaneit, ZOAD : IODA.

:

f!= ll3ArAr: q-aen 'aD12--

5-

2)

6

Le

tCAD = : ti

3) re ZCAD =

24);

O,75i

'

-CAD

piBHo_

o

37".

-

o,5333i ZCAD

*=

_

- 0.n,ur,

ZCAD = 23";

zn,

(prc. 26).

.v.

AiaroHa-ni npiMoriyrHsKa piBrd,

5.

1pn". ZS1;

30

BiAnoqiAb: 18 cM i. 12 cM.

2bc cos tt.

.L = srnp .b ^ '!slnc' stnY

i

BiAnosiqb: 26 .M

paAivc onrcaHoro Kona.

;=.9!ll1 \ srnL=,L: stn Y smo Z1

l-9=f 4. 1h=d r,s 3=22tcMti2 J - 36(cM). a61 BiAno1iAb: 27 cM i 36 cI,. ,l 1^ t 2t k--;-;=; 2t 13.2 26(cvr: 15.2- 30(cM).

1"ny,

':00", "r',y=$=1' y::0..

TeopeMa RocnHyciB:

2.

sa qboMy rpoqec

:

cos60d=8.i=, niI,, ,=r."r,1uo.=r.@=nrg

'=s

l?

posB'.sstioM saAarri,

BrrrcopncraeMo sr{afiAeEi eneMeErr.r Ans posB'ssaaHs EacrynEoro r. A., nolrs Ee orplrMa€Mo po3!'.E3oR 3aAaqi.

2)

Ae

2a".

.4iaroFani rapajrenorpaMa roqxoro neperz rly AirsrEcs EaBnir:

3 ACO, 3a reopeMoro IiocIrIIyciB:

oc=4. 2

OD=: 2

noAi6Eicrr, rprriyrEnKiB nodtoBj npuKUmhuEu rpr.rRlrHuKn. y er{r.r x cropoH oaHoro rpr.4r(yrH r,{a Mox{Ha oAepxarn i3 cropiE -Apyroro Mrior{eHrr.sM Ha oAEe ii Te caMe AoAa?$e qllcno. OBIIarcII

fl

qo 4na xyrlr oAuoro rpsriyrHrxa BiAnoriAHo piBsi ABoM l{yraM nrllloro, ro rpnRyrssKI, noai6Hi. 2. flxqo 4d cropoHn rprrftyrllrina rponopqifiHi ABoM c,I.opolIaM iHrroro i Ilyrrr Mixr qr-rMr{ croposaMu piBIIi, ro rprr(yrHt Rn noAi6Hi. 3. flKqo rpx rropolru oAHoro rpr.rHyrsnRa nponopuiirsi rpboM BiArrosiAHxM ..ro poEaM iEDroro, ro rpuRyrEn&q roAi6rd. &oeQi\i€Hn noAi6Hocni qllcno &, piBHe siAnoIIIeHHro BiAxoBiAHrrx cropiH 1.

noAi6rrx rpll&yIHrrxiB.

3, 1) LABD - LCBD 3a AsoMa cropoEaMa i n:lIo\a r..-:..)F HnMu (AD : DC, BD crin6, Ha cropoEa, tBDA - ZBDC\. (p.dc. 27) 2) LABD : LDCA Ba cropoHolo i AoMa npsnernrrMs &yraMr (,4, crdnlHa cropo-

ICAD: ZBDA; IBAD: ZCAD tl:( cyMa piBHrjx xyriB) (pnc. 28). 3) MDE * LCDE sa apboMa croposaMr (.4t : EC, AD : DC, DE - ctrirltra c"oMlg, = ACE, 3a rpEoMa croposaMr. MBE - LCBE s apr,oMa cropo!'aME. (prc. 29) Ha,

732 ti:l rEoMErptr

6ypaa M. t., rapaceHKoBa H. A. il::l:lillli:iiltti:::rl:.:

3

^ACD

\"eo

AD

BC = AD. B ABCD

6. 1) -4, =

G{

,tt t a - z"a*.".

=

cos

10,

-

zBaD

2;

- BC'+CD'z-BD' zBC. CD

L0 'o,94

=

oD = 1@;e - 6to n,s4 = 6tBD:2.2,14:4,2a. cosznco

=-2,]€,__!4a 2- 4,42.6

f5o

s6a = .[as -

oD

B,

-

os,a = a,

,'BD

,lE"

z,rt

_ 23.23 + 36 18,32 57,84

za-BD=LAO.-45"*135.. 2l AD = Bc = ,E; t2' - 2. 5.12 /Josw = 14os

rrz3 = +,az 1c.,r1. 1c*1.

- 0,71; -BCD

= .Eb + 144

1ro 4,u

:

45'.

=

+ ("I,Iy.

+6, s.rz.o,ez=u's,

ao_eo.o.ez =r.+1,

6.87 tcn).

r:iiii:i:::::.j:+:iii:i;::i;t::::::i

rEOMETptq 6ypaa M. t., TapaceHxoBa H. A,

:iif 733


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.