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The height of a cone-shaped paper hat is 24 cm and the radius of the base is 7 cm. How much paper will be required to make 10 such hats? |
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Answer» TOTAL surface area of cone = πr (r+l) SLANT hight = root 7^2+24^2 slant hight root 28224 slant hight = 168 CM 3.14×7 (7+168) 3,846.5 cm^2 10 hats = 38465 cm^2 |
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