sane way: Area of lllTherive, area of the shaded deshaded design = Area of ABCD.. Are(100 -43) cm257 cm# (100-2 x 21.5) cm2 =EXERCISE 12.3staled otherwise, use π =region in Fig. 1219, if PQ = 24 cm, PRz 7 crn and O isL. Finu thde centre of the circle.sFig, 12.20, if radii of the two concentric2 Find the areatre O are 7cm and 14 cm respectively and Z AOC 40°ircles with centre O are 7 cmFig. 12.19Fig. 12.20Fig. 12.21Mathematics-

sane way: Area of lllTherive, area of the shaded deshaded design = Are

1.	sane way: Area of lllTherive, area of the shaded deshaded design = Area of ABCD.. Are(100 -43) cm257 cm# (100-2 x 21.5) cm2 =EXERCISE 12.3staled otherwise, use π =region in Fig. 1219, if PQ = 24 cm, PRz 7 crn and O isL. Finu thde centre of the circle.sFig, 12.20, if radii of the two concentric2 Find the areatre O are 7cm and 14 cm respectively and Z AOC 40°ircles with centre O are 7 cmFig. 12.19Fig. 12.20Fig. 12.21Mathematics-
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