Trionglau / Triangles
Mae pedwar math o driongl. Mae gan bob un dri ochr, ac maen nhw’n bolygonau.
1. Hafalochrog
Mae gan drionglau hafalochrog dri ochr hafal a thair ongl hafal 60°.
2. Isosgeles
Mae gan drionglau isosgeles ddau ochr hafal a dwy ongl hafal.
3. Ongl sgwâr
Mewn trionglau ongl sgwâr mae un o’r onglau yn ongl sgwâr (90°).
4. Anghyfochrog
Does gan drionglau anghyfochrog ddim ochrau hafal nac onglau hafal.
More on Siâp, safle a symud
Find out more by working through a topic
- count3 of 13
- count4 of 13
- count5 of 13
- count6 of 13