3. ;s%fldaKhlwNHka;r fldaKj, ftlHhfiùu

4. TyqtysfldaK a,b,c f,ikïl<d 8 fY%aKsfha wu,a wekao ;s%fldaKhhsfuys oelafjkafkaaaa

5. Tyq tysfldaK fjka lf<a fufyuhs

6. A,b,c fldaK ;=kir,f¾Ldjla u;g.kakwu,agmq¿jkajqKd

7. rPs; wekafoa wu,af.a ;s%fldaKhg jvd fjkia ;s%fldaKhla. th RPqfldaKsl;s%fldaKhla Tyq th x,y,z f,i kï l<d

8. rPs;;a;s%fldaKfhafldaK fufiafjkalr.;a;d

9. x,y,zfldaK;=k;afufiair, fraaaaaaALdjla u;g.kak mq¿jkajqKd

10. khkd wekafoa uyd fldaKsl ;s%fldaKhla p,q,r f,i tys fldaK kï l<d

11. P,q,r fldaK ;=k;a fufia fjkalrf.k

12. P,q,rfldaK ir, f¾Ldjla u;g.;a;d

13. Tnfïjkúg;aokakjd ir,f¾Ldjla u; msysÞÞá noaO fldaKj, ftlHh 180° nj 180 0

14. oeka Tng meyeos<shs fkao ´kEu ;s%fldaKhl wNHka;r fldaKj, ftlHh 180 ° nj

15. fuu ;s%fldaKfha m fldaKfha w.h l=ula úh hq;=o@ 65 0 48 0 180 0 -^65 0 +48 0 & 180 0 -113 0 67 0 m fldaKfha w.h 67 0 la úhhq;=hs

16. xj, w.h fidhkak 39 0

17. miq jev( tlsfklg fjkia ;s%fldaK 5la we| tajdfha fldaK by; ls%hdldrlfïos fuka ir, f¾Ld u;g.ekSug yelsoehs n,kak.