Cov txheej txheem:

Yuav ua li cas koj tsim ib tug sib npaug daim duab peb sab nrog ib tug compass?
Yuav ua li cas koj tsim ib tug sib npaug daim duab peb sab nrog ib tug compass?

Video: Yuav ua li cas koj tsim ib tug sib npaug daim duab peb sab nrog ib tug compass?

Video: Yuav ua li cas koj tsim ib tug sib npaug daim duab peb sab nrog ib tug compass?
Video: Ntawm Tsab ----- Lub Neej Plaub Qaib Ciaj Ncaig Official 2024, Kaum ib hlis
Anonim

Tso koj compass taw tes rau A thiab ntsuas qhov deb mus rau taw tes B. Viav ib qho arc ntawm qhov loj no saum toj (los yog hauv qab) cov ntu. 2. Tsis hloov qhov ncua ntawm lub compass , tso compass taw tes rau B thiab viav vias tib lub arc, sib tshuam nrog thawj arc.

Ntawm no, yuav ua li cas koj ua ib daim duab peb sab sib npaug nrog ib tug compass?

Txoj Kev 1 Siv lub Compass

  1. Kos ib txoj kab ncaj nraim. Muab koj tus pas ntsuas rau ntawm daim ntawv, ces traceapencil raws ntug ncaj.
  2. Txuas ntu nrog koj lub compass.
  3. Kos ib lub quarter-lub voj voog arc.
  4. Hloov lub compass ib ncig.
  5. Kos ib tug thib ob arc.
  6. Kos qhov taw tes qhov twg ob arcs hla.
  7. Ua kom tiav daim duab peb sab.

Ib tug kuj yuav nug, ua li cas koj tsim ib daim duab peb sab inscribed? Bisect lwm lub kaum sab xis . Qhov twg lawv hla isthecenter ntawm lub sau npe lub voj voog, hu ua theincenter. Tsim ib qho perpendicular los ntawm qhov chaw nruab nrab mus rau sab ntawm lub daim duab peb sab . Muab lub compass rau ntawm qhov chaw nruab nrab, kho qhov ntev mus rau qhov twg lub perpendicular hla qhov daim duab peb sab , thiab kos koj sau npe lub voj voog!

Ib yam li ntawd, koj ua li cas los tsim ib daim duab peb sab sib npaug yam tsis muaj lub tshuab raj?

Tig tus pas ntsuas kom txog thaum lub cim uas sawv cev rau qhov ntev ntawm cov kab hauv paus kov lub perpendicular bisector. Yog tias nws tsis tuaj yeem kov, txuas lub bisector. Kos kab, ces repeatthisprocess rau kos kab peb. Tam sim no koj muaj daim duab peb sab nrog peb congruent sab thiab threecongruentangles, los yog ib daim duab peb sab sib npaug.

Dab tsi yog daim duab peb sab scalene?

A daim duab peb sab scalene yog a daim duab peb sab thathasthree sab tsis sib xws, xws li cov duab qhia saum toj no. SEEALSO: Acute Daim duab peb sab , Sib npaug Daim duab peb sab , Isosceles Daim duab peb sab , Obtuse Daim duab peb sab , Daim duab peb sab.

Pom zoo: