In triangle pqr ,s is a point on qr such that pq=ps=qs=

In triangle pqr ,s is a point on qr such that pq=ps=qs= Calculate - (i) ZCDE ZDCE 7. In Fig. 8.53, BO and CO are respectively meeting at A. If AB AC. then 8. 9. 10. 11. 12. 13. In an isosceles triangle ABC, with AC = BC, the e (t) ZDCB PQR and QRS are two isosceles triangles (1) PS bisects QR at right angle The of equal angles Q and R of an In triangle ABC. the bisector of angle BCA AB m L A M Prove that ZCAM = ZABC. In a APQR, S is a point on QR such that PQ = IS : ZPSR : ZR = 4: 1. AD, BE and CF, the altitudes of BABC are equal Prove equilateral triangle. 14. In Fig. 8.54, AB = AC. Dis a point in ZDBC = ZDCB. Prove that AD bisects