100 cm = ___
Question 06: A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is:
1 micron equals to :
a) 1/10000 m. b) 106 dm.
c) 10-6 m. d) 10-4cm.
Two parallel lines l and m are such that A, C are the points on l and B, D are the points on m. AB and CD are perpendicular to both l and m. If AB = 4 cm, then CD =