Video: Cov kab ntawm cov duab txhais li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Tick marks (pom hauv txiv kab ntxwv) qhia ob sab ntawm a puab uas muaj qhov ntev sib npaug (sab ntawm a puab uas yog congruent los yog match). Ib leeg kab qhia tias ob txoj kab ntsug kab yog tib qhov ntev thaum ob kab qhia tias ob kab pheeb ces kaum kab yog qhov ntev.
Hais txog qhov no, dab tsi yog hais txog cov kab thiab cov duab?
Cov ntsiab lus , Kab thiab Cov Duab . Ib feem ntawm txoj kab yuav ncaj yog tias qhov saum npoo yog dav hlau thiab nkhaus yog tias qhov saum npoo yog nkhaus. Yog li, yog tias peb koom nrog ob cov ntsiab lus nrog aruler thiab ncua nws ntawm ob sab, ib kab yog tsim. Ib txoj kab qhia los ntawm kos xub-taub taub hau ntawm ob sab ntawm ib feem ntawm aline.
Tsis tas li ntawd, cov kab ntawm daim duab peb sab yog dab tsi? A daim duab peb sab yog tsim los ntawm peb kab ntu. Cov kab ntu sib tshuam hauv lawv qhov kawg. A daim duab peb sab muaj peb lub ces kaum. Cov txiaj ntsig ntawm kev ntsuas ntawm lub kaum sab xis yog ib txwm 180 ° hauv a daim duab peb sab.
Ib tug kuj yuav nug, koj ua li cas qhia cov kab sib npaug ntawm ib qho duab?
Ob kab yog kab sib npaug yog ob tug kab yog kab uas yeej tsis sib tshuam. Ib daim duab plaub hast ob khub ntawm kab sib npaug . Ib square kuj muaj ob khub ntawm kab sib npaug . Ib qho parallelogram kuj muaj ob khub ntawm kab sib npaug.
Cov xub ntawm kab txhais li cas?
Xub ntawm kab siv los qhia tias cov kab yog thaum uas tig mus.
Pom zoo:
Cov kws kos duab hu li cas cov duab thiab cov duab siv los sawv cev rau cov yam ntxwv ntawm lub ntiaj teb nto?
Ntiaj Teb Kev Tshawb Fawb - Daim Ntawv Qhia Lub Ntiaj Teb Qhov Nto A B GLOBE Ib puag ncig uas sawv cev rau lub ntiaj teb nto. SCALE Siv los sib piv qhov deb ntawm daim ntawv qhia lossis lub ntiaj teb mus deb ntawm lub ntiaj teb nto. SYMBOLS Ntawm daim duab qhia chaw, cov duab siv los ntawm mapmakers sawv ntsug rau cov yam ntxwv ntawm lub ntiaj teb nto. TSEEM CEEB Ib daim ntawv teev cov cim siv rau ntawm daim ntawv qhia
Nws puas yuav ua rau pom qhov sib npaug ntawm kab sib npaug mus rau ib kab thiab los ntawm ib qho taw tes ntawm kab?
Qhov sib npaug ntawm ib kab uas yog parallel lossis perpendicular rau ib kab? Cov lus teb tau: Cov nqes hav ntawm cov kab sib npaug sib npaug. Hloov txoj kab nqes paub thiab cov kev sib koom ua ke ntawm ib qho taw tes ntawm lwm txoj kab rau hauv daim ntawv point-slope kom pom qhov sib npaug ntawm kab sib npaug
Dab tsi yog qhov txawv ntawm lub xeev daim duab kos duab thiab daim duab ua haujlwm?
Lub xeev daim duab qauv yog siv los qhia qhov sib lawv liag ntawm lub xeev uas ib yam khoom mus dhau, qhov ua rau kev hloov ntawm ib lub xeev mus rau lwm qhov thiab qhov kev txiav txim uas tshwm sim los ntawm lub xeev hloov. Daim duab ua haujlwm yog ntws ntawm kev ua haujlwm yam tsis muaj qhov tshwm sim (kev tshwm sim) mechanism, lub xeev tshuab yog suav nrog lub xeev triggered
2 kab ntawm daim duab peb sab txhais li cas?
Thaum ib daim duab peb sab muaj ob sab congruent nws hu ua daim duab peb sab isosceles. Lub kaum sab xis ntawm ob sab ntawm tib qhov ntev yog congruent. Ib daim duab peb sab uas tsis muaj ib sab lossis cov kaum sab xis yog hu ua daim duab peb sab scalene. Thaum ob daim duab peb sab congruent nws txhais tau hais tias lawv muaj tib qhov loj thiab cov duab
Ntau npaum li cas ntawm cov pej xeem hauv ntiaj teb nyob ntawm cov kab ke roob rau tag nrho lossis qee qhov ntawm lawv cov dej?
Roob yog lub ntiaj teb "dej yees," muab 60-80% ntawm tag nrho cov dej tshiab rau peb ntiaj chaw. Tsawg kawg ib nrab ntawm lub ntiaj teb cov pej xeem nyob ntawm roob ecosystem kev pabcuam kom muaj sia nyob - tsis yog dej xwb, tab sis kuj muaj zaub mov thiab lub zog huv