Find the surface area of a cube whose edge is

(i) 1.2 m

(ii) 27 cm

(iii) 3 cm

(iv) 6 m

(v) 2.1 m

Fill in the blanks in each of the following so as to make the statement true :

(i) 1 m³= ……….. cm³

(ii) 1 litre = …….cubic decimetre

(iii) 1 kl = ………… m³

(iv) The volume of a cube of side 8 cm is …….

(v) The volume of a wooden cuboid of length 10 cm and breadth 8 cm is 4000 cm³. The height of the cuboid is …50…. cm.

(vi) 1 cu. Dm = …….. cu. Mm

(vii) 1 cu. Km = ……… cu. M

(viii) 1 litre = ......cu. Cm

(ix) 1 ml = ……. Cu. Cm

(x) 1 kl = …… cu. Dm = ……….. cu. Cm.

Find the surface area of a cuboid whose

(i) length = 10 cm, breadth = 12 cm, height = 14 cm

(ii) length = 6 dm, breadth = 8 dm, height = 10 dm

(iii) length = 2m, breadth = 4 m, height = 5 m

(iv) length = 3.2 m, breadth = 30 dm, height = 250 cm.

A cuboidal box is 5 cm by 5 cm by 4 cm. Find its surface area.

Find the surface area of a cube whose volume is

(i) 343 m³

(ii) 216 dm³