kimyongtits kimyongtits

06-06-2018
Mathematics

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calculate the area of the lid of the collection box

calculate the area of the lid of the collection box class=

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sqdancefan sqdancefan

13-06-2018

Area of lid = (area of rectangle) + (area of semicircle)
= (45 cm)*(22 cm) + (1/2)*(π*(13 cm)²)
= 990 cm² + 265.46 cm²
= 1255.46 cm²

The area of the lid is about 1255.5 cm².

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