Please solve q nov16 15. In triangle ABC; angle ABC = 900 and P •
a point on AC such that ZPBC = ZPO
Show that : PA = PB.
16. ABC is an equilateral triangle. Its side BCis
produced upto point E such that C is mid.
point of BE. Calculate the measure of angles
ACE and AEC.
17. In triangle ABC, D is a point in AB such tha
AC = CD = DB. If LB = 280, find the angle
ACID.
18. In the given figure, AD = AB = AC, BD
parallel to CA and angle ACB = 650. FITÆ
angle DAC.