A japanese fan can be made by sliding open its 7 small sections which are each in the form of sector of a circle having central circle of 15 degree. If the radius of this fan is 24 cm ,find the area of this fan,while opened . use pie =22/7
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area of sector = theta/360*pi*r2
=15/360*22/7*24*24
=1/24*22/7*24*24
=22/7*24
=528/7cm2
area of fan=7*area of sector
=7*528/7
=528cm2
=15/360*22/7*24*24
=1/24*22/7*24*24
=22/7*24
=528/7cm2
area of fan=7*area of sector
=7*528/7
=528cm2
anchana1:
thank u soo...much fr the answer it was easy
It's OK Pls mark it as brainliest answer
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