Dab tsi yog ib feem ntawm kab thiab muaj ib qho kawg?
Dab tsi yog ib feem ntawm kab thiab muaj ib qho kawg?

Video: Dab tsi yog ib feem ntawm kab thiab muaj ib qho kawg?

Video: Dab tsi yog ib feem ntawm kab thiab muaj ib qho kawg?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Raj: A ib feem ntawm kab uas muaj ib qhov kawg thiab txuas ntxiv yam tsis muaj qhov kawg ib kev taw qhia.

Khaws qhov no hauv kev xav, dab tsi yog ib feem ntawm kab thiab muaj ib qho kawg thiab txuas ntxiv mus rau ib qho kev coj?

Ray - Ib ray is ib feem ntawm kab uas muaj ib qhov kawg . Nws txuas ntxiv mus rau ib qho kev taw qhia tsis xaus.

Tsis tas li ntawd, dab tsi ncaj nraim yog ib feem ntawm kab thiab muaj 2 qhov kawg? A kab ntu muaj ob cov ntsiab lus kawg . A kab segment yog a txoj kab ncaj nraim uas txuas ob lub ntsiab lus.

Hais txog qhov no, dab tsi yog ib feem ntawm kab thiab muaj ib qho kawg?

Ib ray yog a ib feem ntawm kab uas muaj ib qhov kawg thiab mus rau infinitely nyob rau hauv xwb ib kev taw qhia.

Dab tsi yog ib feem ntawm kab?

Hauv geometry, a kab segment yog a ib feem ntawm a kab uas yog bounded los ntawm ob lub ntsiab lus kawg, thiab muaj txhua qhov taw tes ntawm qhov kab nruab nrab ntawm nws qhov kawg. Ib kaw kab ntu suav nrog ob qho kawg, thaum qhib kab ntu tsis suav ob qhov kawg; ib nrab qhib kab ntu suav nrog raws nraim ib qho ntawm cov ntsiab lus kawg.

Pom zoo: