Question

Unit Exercise - 4 1. In the figure, if BD 1 AC and CE 1 AB, prove that DA (i) AAEC CA ΔADB CE (ii) AB DB A B 2. In the given figure AB || CD || EF. If AB = 6 cm, CD = 2 cm, EF = 4 cm, BD = 5 cm and DE = y cm. Find x and y. 5cm 6cm А С A 3. O is any point inside a triangle ABC. The bisector of ZAOB, ZBOC and ZCOA meet the sides AB, BC and CA in point D, E and F respectively. Show that AD BEX CF = DB X EC X FA x 4. In the figure, ABC is a triangle in which AB = AC. Points Dand E are points on the side AB and AC respectively such that AD = AE. Show that the points B, C, E and D lie on a same circle. E D B​

Answer 1

Answer:

provide figure first then ask questions