Yuav ua li cas xam cov square meters

Zoo Siab

• Yuav xam cov square metres ntawm cov duab sib txawv li cas?
• Yuav ua li cas mus los ntawm cov square metres mus rau lwm qhov ntsuas?

Cov square meter yog lub hauv paus ntawm kev ntsuas, nws yog siv los ntsuas qhov chaw lossis ob yam khoom xws li phab ntsa, chav tsev lossis lub qhov rooj.

Ib square meter yog thaj tsam hauv ib lub xwmfab uas nws sab ntsuas ib 'meter'. Lawv tau qhia nrog lub cim "m²".

Cov square metres tau xam hauv ntau txoj hauv kev raws li cov duab hauv cheeb tsam koj xav paub: square, daim duab peb sab, lub voj voog. Txhawm rau ua qhov no, nws yog qhov tsim nyog kom paub cov lej ua lej los laij cov square metres rau txhua tus duab geometric.

Txhawm rau nrhiav thaj tsam ntawm daim duab tsis xwm yeem, daim duab yuav tsum tau muab faib ua lwm cov duab xws li cov duab plaub lossis daim duab peb sab. Tom qab ntawd cov square metres ntawm cov nuj nqis no tau suav nrog cov qauv paub, lawv tau ntxiv thiab cov lej tshwm sim yog thaj tsam tag nrho hauv square metres ntawm daim duab tsis xwm yeem.

• Nws tuaj yeem pab koj: Chav ntsuas

Yuav xam cov square metres ntawm cov duab sib txawv li cas?

1. Xam square metres ntawm ib lub xwmfab lossis duab plaub

Txhawm rau xam cov square metres ntawm, piv txwv li, phab ntsa xwm fab xwm yeem, qhov siab thiab dav ntawm phab ntsa yuav tsum tau ntsuas nrog daim kab xev ntsuas. Tom qab ntawd ob qho txiaj ntsig tau sib npaug thiab qhov tshwm sim ntawm cov square metres ntawm thaj chaw ntawd tau txais.

1. Xam square metres ntawm daim duab peb sab xis

Txhawm rau xam cov square metres ntawm txoj cai peb tog, koj yuav tsum muab qhov ntsuas uas koj muaj thiab tom qab ntawd faib qhov txiaj ntsig los ntawm ob.

Piv txwv li: hauv daim duab peb sab hauv daim duab: 5 x 7 = 35 meters yuav muab sib npaug. Tom qab ntawd faib qhov txiaj ntsig los ntawm ob: 35/2 = 17.5 m².

1. Xam cov square metres ntawm cov duab plaub tsis xwm yeem

Txhawm rau ntsuas cov duab square ntawm cov duab plaub tsis xwm yeem, koj yuav tsum hloov cov duab peb sab tsis xwm yeem mus rau qhov qub thiab tom qab ntawd ntsuas lawv.

Txhawm rau ua qhov no, ib txoj kab yuav tsum tau kos los ntawm txhua lub ces kaum ntawm daim duab peb sab mus rau sab nraud raws li txoj hauv kev uas kab txiav sab ntawd ntawm daim duab peb sab ntawm lub kaum sab xis 90 °. Tom qab ntawd nws tau suav ua tib txoj kev raws li txoj cai peb tog.

1. Xam square metres ntawm lub voj voog

Txhawm rau xam cov square metres ntawm lub voj voos, lub voj voos yuav tsum tau muab faib ua ob qho sib npaug ib nrab. Tom ntej no, ib txoj kab yuav tsum tau kos hauv nruab nrab, tsim ib daim duab peb sab xis.

Koj yuav tsum xub xam thaj tsam ntawm lub voj voog. Txhawm rau ua qhov no, lub vojvoog ntawm lub voj voog raug ntsuas thiab muab ob npaug ntxiv.

Piv txwv: Yog tias lub vojvoog no sib npaug 3 centimeters, peb yuav tsum muab sib npaug 3 x 2 = 6. Qhov tshwm sim no yog txoj kab uas hla ntawm lub voj voog. Thaum kawg, tus lej no yuav tsum muab sib npaug los ntawm 3.14 (tus lej hu ua pi). Ua raws li qhov piv txwv no 6 x 3.14 = 18.84 cm².

Yuav ua li cas mus los ntawm cov square metres mus rau lwm qhov ntsuas?

• Tau txais kev ntsuas hauv square feet. Qhov no yog siv los hloov lwm chav rau square metres thiab suav lawv. Yog li, ib txhais taw sib npaug 0.093 square metres (m²). Tom qab ntawd, koj yuav tsum ntsuas thaj tsam koj xav suav nrog daim kab xev ntsuas. Piv txwv li, qhov dav ntawm phab ntsa. Piv txwv tias phab ntsa no ntsuas 2.35 m², tus nqi no yuav tsum muab sib npaug los ntawm 0.093 thiab qhov txiaj ntsig yuav yog nyob rau hauv square feet.
• Tau txais kev ntsuas hauv square yards. Txhawm rau kom tau txais kev ntsuas hauv square yards, koj yuav tsum muab tus nqi tau txais los ntawm 0.84. Hauv qhov piv txwv hais los saum toj no, sib npaug 2.35 x 0.84 thiab qhov txiaj ntsig tau hais tawm hauv cov square mev.
• Tau txais kev ntsuas hauv daim av. Txhawm rau ua qhov no, qhov txiaj ntsig yuav tsum tau muab sib npaug los ntawm 4.05 thiab qhov txiaj ntsig yuav qhia tawm hauv daim av.

• Txuas ntxiv nrog: Tau txais cov koog