Question

2 Find the area of a triangle whose sides are:
(1) 3 cm, 4 cm and 5 cm.
(ii) 29 cm, 20 cm and 21 cm
(in) 12 cm, 9.6 cm and 7-2 cm​

Answer 1

Answer:

1. 12 cm

2. 70 cm

3. don't no