Given a sentence in Tagalog language, translate the sentence to English language keeping the meaning of the original sentence intact.

Tagalog sentence: Ang iba sa kanila ay may mga regular na trabaho, kundiman mga empleyado mismo ng munisipyo.
Some of them have regular jobs or are even employees of the municipal government.

Tagalog sentence: Ito ay isang stimulating karanasan na malaman at nakikipagtulungan sa CP Ramanujam.
It was a stimulating experience to know and collaborate with C P Ramanujam.

Tagalog sentence: Ito ay isang pag-aaral ng polygons katulad sa mga naunang trabaho sa triangles.

This is a study of polygons similar to earlier work on triangles.