Question

In ΔABC, D and E are points on sides AB and AC

respectively such that DE // BC and AD:DB = 3:1. If EA =​

Answer 1

Answer:

the number of revolutions made by circular wheel of diameter 0.8m in rolling a distance of 1100000 cm is

a) 4735

b) 7435

c) 5437

d) 4375

Answer 2

Answer:

In ΔABC and ΔADE, angle A is common. Since DE||BC and AD/DB = 3/1, we know that AE/CE = 3/1. So CE will be 1/3 of AE = 1.1 cm.