Question

368
Secondary School Mathematics for Class 10
EXERCISE 7A
1. D and E are points on the sides AB and AC respectively of a AABC such
that DE || BC.
(i) If AD = 3.6 cm, AB = 10 cm and AE = 4.5 cm,
find EC and AC.
A
E
(ii) If AB = 13.3 cm, AC = 11.9 cm and EC = 5.1 cm,
D
find AD.
AD 4
(iii) If
.
DB
B
AD
AB 15
C
=
(iv) If
15 and EC = 3.5 cm, find AE.​

Answer 1

Step-by-step explanation:1. D and E are points on the sides AB and AC respectively of a AABC such

that DE || BC.1. D and E are points on the sides AB and AC respectively of a AABC such

that DE || BC.