11-06-2020
Mathematics

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Surface area of the cone below is about 151.58 in.² the radius of the base is 4 inches what is the slant height using 3.14 for pi round your answer to the nearest whole number

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11-06-2020

Answer:

surface area of cone= πr²+πrl

151.58=3.14×4×4+3.14×4×l

151.58=50.24+12.56×l

151.58=62.8×l

62.8 62.8

l= 2.414

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