nonameokay nonameokay

01-09-2019
Mathematics

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A garden shop sells 15" by 15" square stepping stones for the same price as 20" round stones. If all stepping stones are the same thickness, which option gives the most rock for the money?

The area of a square stepping stone is ( ? ) in.2 and the area of a round stepping stone is ( ? ) in.2, so the option that gives the most rock for the money is the (round or square)?

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Dlalex2316 Dlalex2316

01-09-2019

Answer:

Round stone

Step-by-step explanation:

area of square stone, AS = 15 × 15 = 225sqin

area of round stone, AR = 3.14 x (20^2)/4 = 314sq in

since AR is larger than AS, then the round stone gives more rock for the money

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