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Math application problem in the sixth grade of primary school-finding the area of cylindrical surface
High:

3.14 *10 = 31.4 (cm)

Surface area:

3.14 *10 = 31.4 (cm)

10/2=5 (cm)

3. 14*(5*5)*2= 157 (square centimeter)

3 1.4*3 1.4=985.96 (square centimeter)

157+985.96 =1142.96 (square centimeter)

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