2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub orthocenter orthocenter 2. Yog tias daim duab peb sab yog daim duab peb sab obtuse, lub orthocenter nyob sab nraum daim duab peb sab. … Yog hais tias daim duab peb sab yog daim duab peb sab txoj cai, lub orthocenter nyob ntawm lub vertex ntawm lub kaum sab xis. https://jwilson.coe.uga.edu › DeGeorge › Orthocenters
Lub orthocenter ntawm daim duab peb sab yog kev sib tshuam ntawm peb qhov siab ntawm …
yog qhov nruab nrab ntawm daim duab peb sab tsim los ntawm kev nrhiav qhov siab ntawm txhua sab. Qhov siab ntawm ib daim duab peb sab yog tsim los ntawm kev xa ib kab los ntawm txhua qhov vertex uas yog perpendicular mus rau sab nraud. Ib qhov siab ntawm daim duab peb sab qee zaum hu ua qhov siab.
Koj pom qhov nruab nrab ntawm daim duab peb sab li cas?
Yuav kom pom qhov nruab nrab ntawm txhua daim duab peb sab, txhim kho kab ntu los ntawm qhov ntsug ntawm cov kaum sab hauv ntawm daim duab peb sab mus rau qhov nruab nrab ntawm lawv cov lus rov qab. Cov kab no yog cov nruab nrab. Lawv txoj kev sib tshuam yog qhov chaw nruab nrab.
Dab tsi yog qhov chaw nruab nrab ntawm daim duab peb sab?
Lub centroid ntawm daim duab peb sab yog kev sib tshuam ntawm peb qhov nruab nrab ntawm daim duab peb sab(txhua qhov nruab nrab txuas ib lub vertex nrog rau nruab nrab ntawm sab nraud).
Puas yog nruab nrab ntawm daim duab peb sab?
Lub centroid tseem hu ua qhov chaw geometric ntawm cov khoom. Nws yog lub ntsiab lus ntawm kev sib tshuam ntawm tag nrho peb qhov nruab nrab ntawm daim duab peb sab. Cov neeg nruab nrab tau muab faib ua 2: 1 piv los ntawm centroid. Lub centroid ntawm daim duab peb sab yogib txwm nyob hauv daim duab peb sab.
4 daim duab peb sab yog dab tsi?
Plaub lub chaw qub yogdaim duab peb sab centroid, incenter, circumcenter, thiab orthocenter.
Pom zoo:
Qhov twg yog lub ntsiab lus ntawm concurrency ntawm nruab nrab ntawm daim duab peb sab?
Qhov nruab nrab yog ib txoj kab uas koom nrog qhov nruab nrab ntawm ib sab thiab rov qab vertex ntawm daim duab peb sab. Yog li ntawd, lub ntsiab lus ntawm concurrency ntawm qhov nruab nrab ntawm daim duab peb sab yog hu ua the centroid.. Qhov twg yog qhov sib txuam ntawm qhov siab ntawm daim duab peb sab?
Puas qhov nruab nrab ntawm daim duab peb sab ib txwm sib tshuam?
Txhua daim duab peb sab muaj peb qhov nruab nrab, ib qho los ntawm txhua qhov vertex, thiab lawv txhua tus sib tshuam ntawm daim duab peb sab centroid. Nyob rau hauv cov ntaub ntawv ntawm isosceles thiab equilateral daim duab peb sab, ib tug nruab nrab bisects ib lub kaum sab xis ntawm ib tug vertex uas nws ob sab nyob ib sab yog sib npaug zos nyob rau hauv ntev.
Thaum qhov nruab nrab ntawm qhov chaw nyob ib sab ntawm lub plaub fab?
Lub plaub fab uas tsim los ntawm kev koom nrog cov midpoints sib law liag ntawm ib lub plaub fab uas nws kab pheeb ces kaum yog congruent yog a rhombus. Thaum qhov nruab nrab ntawm qhov chaw nyob ib sab ntawm plaub fab txuas nrog ntu?
Dab tsi yog qhov nruab nrab ntawm daim duab peb sab?
Lub centroid ntawm daim duab peb sab yog qhov taw tes uas peb qhov nruab nrab coincide. Tus qauv rau nruab nrab ntawm daim duab peb sab yog dab tsi? Tom qab ntawd, peb tuaj yeem suav qhov nruab nrab ntawm daim duab peb sab los ntawm kev siv qhov nruab nrab ntawm x qhov chaw thiab y qhov chaw ntawm tag nrho peb qhov vertices.
Thaum twg peb xav txog daim duab peb sab ua equiangular?
Ib daim duab peb sab uas nws tag nrho peb sab thiab sab hauv cov ces kaum sib npaug yog hu ua daim duab peb sab equiangular. Rau ib daim duab peb sab kom sib npaug, qhov ntsuas ntawm tag nrho nws peb lub kaum sab hauv yuav tsum sib npaug li 60 degrees.
