2. The front compound wall of a house isdecorated by wooden spheres of diameter 21cm, placed on small supports as shown in Fig13.32. Eight such spheres are used for thispurpose, and are to be painted silver. Eachsupport is a cy linder of radius 1.5 cm and heightT7 cm and is to be painted black. Find the costof paint required if silver paint costs 25 paiseper cm2 and black paint costs 5 paise per cm2Fig. 13.32

2. The front compound wall of a house isdecorated by wooden spheres of

1.	2. The front compound wall of a house isdecorated by wooden spheres of diameter 21cm, placed on small supports as shown in Fig13.32. Eight such spheres are used for thispurpose, and are to be painted silver. Eachsupport is a cy linder of radius 1.5 cm and heightT7 cm and is to be painted black. Find the costof paint required if silver paint costs 25 paiseper cm2 and black paint costs 5 paise per cm2Fig. 13.32
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