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10-08-2020
Mathematics

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the area of a square poster is 27 in.2. Find the length of one side of the poster to the nearest tenth of an inc

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bekkarmahdi702 bekkarmahdi702

10-08-2020

Answer:

5.2 inches

Step-by-step explanation:

Let a be the side of the square poster.

The area of it is:

● A = a^2

● 27 = a^2

● a = √27

● a = √(9×3)

● a = 3√3

● a = 5.19

Round it to the nearest tenth

● a = 5.2 inches

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