ANTSURFACE AREAS23The front compound wall of a house isdecorated by wooden spheres of diameter 21cm, placed on smail supports as shown in Fig13.32. Eight such spheres are used for thispurpose, and are to be painted silver. Eachsupport is a cylinder of radius 1.5 cm and height7 cm and is to be painted black. Find the costof paint required if silver paint costs 25 paiseper cm? and black paint costs 5 paise per cm2Fig. 13.32

ANTSURFACE AREAS23The front compound wall of a house isdecorated by wo

1.	ANTSURFACE AREAS23The front compound wall of a house isdecorated by wooden spheres of diameter 21cm, placed on smail supports as shown in Fig13.32. Eight such spheres are used for thispurpose, and are to be painted silver. Eachsupport is a cylinder of radius 1.5 cm and height7 cm and is to be painted black. Find the costof paint required if silver paint costs 25 paiseper cm? and black paint costs 5 paise per cm2Fig. 13.32
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