Txhawm rau ua haujlwm tawm thaj tsam ntawm ib lub square lossis duab plaub, muab nws qhov siab los ntawm nws qhov davYog tias qhov siab thiab qhov dav yog cm, thaj tsam yog qhia hauv cm². Yog hais tias qhov siab thiab dav yog nyob rau hauv m, cheeb tsam yog qhia nyob rau hauv m². Luas 5 x 5=25 m²=25 m²
Yuav ua li cas yog tus qauv rau xam cheeb tsam?
Yuav suav thaj tsam li cas?
- Square area formula: A=a²
- Rectangle area formula: A=ab.
- Daim duab peb sab cheeb tsam: A=bh / 2 los yog. …
- Zaj vajvoog formula: A=πr²
- Lub voj voog sector cheeb tsam formula: A=r²lub kaum sab xis / 2.
- Ellipse cheeb tsam formula: A=abπ
- Trapezoid cheeb tsam formula: A=(a + b)h / 2.
- Parallelogram area formulas:
Yuav ua li cas kuv xam thaj tsam ntawm ib qho tsis zoo?
Thaj chaw ntawm cov duab tsis zoo tuaj yeem txiav txim siab los ntawm faib cov duab muab rau hauv cov duab me me. Qhov cheeb tsam ntawm cov duab tsis zoo tuaj yeem txiav txim siab los ntawm kev faib cov duab muab rau hauv cov duab me me.
Peb txoj hauv kev los nrhiav thaj tsam ntawm daim duab plaub yog dab tsi?
Yuav kom pom thaj tsam ntawm ib daim duab plaub, multiply the length by width. Cov mis yog: A=LW qhov twg A yog cheeb tsam, L yog qhov ntev, W yog qhov dav, thiabtxhais tau tias muab ntau. qhov twg A yog thaj chaw, s yog qhov ntev ntawm ib sab, thiab · txhais tau tias muab ntau.
Kuv yuav ua li cas thiaj paub thaj tsam ntawm ib daim duab plaub?
Yuav kom pom thaj tsam ntawm daim duab plaub, peb muab qhov ntev ntawm lub duab plaub los ntawm qhov dav ntawm lub duab plaub.
