Cov txheej txheem:
- Yuav ua li cas nrhiav thaj tsam ntawm ib daim duab peb sab
- Yuav ua li cas nrhiav thaj tsam ntawm ib daim duab peb sab
- Yuav ua li cas nrhiav thaj tsam ntawm daim duab peb sab isosceles
- Yuav ua li cas nrhiav thaj tsam ntawm daim duab peb sab sib npaug
2024 Tus sau: Malcolm Clapton | [email protected]. Kawg hloov kho: 2023-12-17 03:58
Nco ntsoov geometry: cov qauv rau arbitrary, rectangular, isosceles thiab equilateral cov duab.
Yuav ua li cas nrhiav thaj tsam ntawm ib daim duab peb sab
Koj tuaj yeem xam thaj tsam ntawm daim duab peb sab hauv ntau txoj kev. Xaiv ib qho qauv nyob ntawm seb qhov ntau npaum li cas koj paub.
Paub txog sab thiab qhov siab
- Muab sab ntawm daim duab peb sab los ntawm qhov siab kos rau sab ntawd.
- Faib qhov tshwm sim los ntawm ob.
- S yog qhov xav tau ntawm daim duab peb sab.
- ib sab ntawm daim duab peb sab.
- h yog qhov siab ntawm daim duab peb sab. Qhov no yog ib qho perpendicular poob rau sab lossis nws txuas ntxiv los ntawm qhov rov qab vertex.
Paub txog ob sab thiab lub kaum sab xis ntawm lawv
- Suav cov khoom ntawm ob sab paub ntawm daim duab peb sab.
- Nrhiav lub sine ntawm lub kaum sab xis ntawm cov xaiv sab.
- Ua ntau tus lej koj tau txais.
- Faib qhov tshwm sim los ntawm ob.
- S yog qhov xav tau ntawm daim duab peb sab.
- a thiab b yog ob sab ntawm daim duab peb sab.
- α yog lub kaum sab xis ntawm sab a thiab b.
Paub peb sab (Heron's formula)
- Muab xam qhov sib txawv ntawm ib nrab-perimeter ntawm daim duab peb sab thiab txhua sab.
- Nrhiav cov khoom ntawm cov lej tau txais.
- Muab qhov tshwm sim los ntawm ib nrab ib puag ncig.
- Nrhiav lub hauv paus ntawm tus lej tshwm sim.
- S yog qhov xav tau ntawm daim duab peb sab.
- a, b, c - sab ntawm daim duab peb sab.
- p - ib nrab-perimeter (sib npaug rau ib nrab ntawm cov lej ntawm txhua sab ntawm daim duab peb sab).
Paub txog peb sab thiab lub vojvoog ntawm lub voj voog ncig
- Nrhiav cov khoom ntawm txhua sab ntawm daim duab peb sab.
- Faib qhov tshwm sim los ntawm plaub lub voj voog ntawm lub voj voog ncig lub duab plaub.
- S yog qhov xav tau ntawm daim duab peb sab.
- R yog lub vojvoog ntawm lub voj voog ncig.
- a, b, c - sab ntawm daim duab peb sab.
Paub lub vojvoog ntawm lub voj voog inscribed thiab lub semi-perimeter
Muab lub vojvoog ntawm lub voj voog inscribed nyob rau hauv daim duab peb sab los ntawm lub semi-perimeter.
- S yog qhov xav tau ntawm daim duab peb sab.
- r yog lub vojvoog ntawm lub voj voog inscribed.
- p - ib nrab-perimeter ntawm daim duab peb sab (sib npaug rau ib nrab ntawm cov lej ntawm txhua sab).
Yuav ua li cas nrhiav thaj tsam ntawm ib daim duab peb sab
- Suav cov khoom ntawm ob txhais ceg ntawm daim duab peb sab.
- Faib qhov tshwm sim los ntawm ob.
- S yog qhov xav tau ntawm daim duab peb sab.
- a, b - ob txhais ceg ntawm daim duab peb sab, uas yog, sab uas sib tshuam ntawm txoj cai kaum.
Yuav ua li cas nrhiav thaj tsam ntawm daim duab peb sab isosceles
- Muab lub hauv paus los ntawm qhov siab ntawm daim duab peb sab.
- Faib qhov tshwm sim los ntawm ob.
- S yog qhov xav tau ntawm daim duab peb sab.
- a yog lub hauv paus ntawm daim duab peb sab. Qhov no yog sab uas tsis sib npaug rau lwm ob. Nco qab tias hauv daim duab peb sab isosceles, ob ntawm peb sab muaj tib qhov ntev.
- h yog qhov siab ntawm daim duab peb sab. Nws yog ib tug perpendicular poob rau hauv paus los ntawm opposite vertex.
Yuav ua li cas nrhiav thaj tsam ntawm daim duab peb sab sib npaug
- Muab cov square ntawm sab ntawm daim duab peb sab los ntawm lub hauv paus ntawm peb.
- Faib qhov tshwm sim los ntawm plaub.
- S yog qhov xav tau ntawm daim duab peb sab.
- ib sab ntawm daim duab peb sab. Nco qab tias hauv daim duab peb sab sib npaug, txhua sab muaj tib qhov ntev.
Pom zoo:
Yuav ua li cas ib tug broom thiab ib daim duab peb sab yuav pab tau koj nrog txhua yam
Kev txhim kho kev ua tau zoo yog qhov teeb meem kub rau txhua tus neeg nyiam hauv lawv txoj haujlwm. Lub taub hau ntawm "Lady Mail.Ru" tham txog cov tswv yim uas yuav pab kom ua tiav txhua yam thiab tsis mus vwm nyob rau hauv lub ntiaj teb ntawm multitasking
7 txoj hauv kev los nrhiav thaj tsam ntawm ib daim duab plaub
Koj tuaj yeem nrhiav thaj tsam ntawm ib lub duab plaub hauv ntau txoj kev. Xaiv cov qauv raws li paub qhov ntau: sab, kab pheeb ces kaum, lub kaum sab xis ntawm lawv, vojvoog vojvoog
Yuav ua li cas thiaj nrhiav tau ib puag ncig ntawm daim duab peb sab: 8 txoj hauv kev yooj yim
Lifehacker qhia yuav ua li cas thiaj nrhiav tau ib puag ncig ntawm ib qho isosceles, sib txawv- thiab sib npaug daim duab peb sab. Xaiv ib qho qauv raws li paub qhov ntau
Yuav ua li cas scotch daim kab xev thiab lub chav ua noj timer tuaj yeem pab koj thaij duab txias: 12 daim duab lub neej hacks rau cov peev nyiaj paub
Siv cov lus qhia muaj txiaj ntsig rau cov kws yees duab thiab tso koj lub koob yees duab nrog kev pab ntawm cov ntaub ntawv ntawm tes yam tsis tas siv nyiaj
Daim duab peb sab ntawm lub neej yog ib txoj kev xav uas yuav pab koj ciaj sia av qeeg
Thaum cov lus qhia tsis raug muab rau cov teeb meem tsis tseem ceeb, nws yog qhov txaj muag. Tab sis yuav ua li cas yog tias cov lus qhia tsis raug muab rau hauv thaj chaw muaj xwm txheej ceev? Qhov no twb yog txoj sia hem lawm. Lifeguard Doug Copp sib cav tias cov lus qhia txog kev coj tus cwj pwm av qeeg yog qhov tsis zoo rau lub neej.