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1.3.PS-17

The area of a square poster is 30 in.2. Find the length of

of an inch.

in.

The length of one side of the poster is

(Round to the nearest tenth as needed.)

1 Answer

7 votes

Answer:

5.48 inches

Explanation:

Given that the poster is in the shape of a square.

Area of the square poster = 30
in^2

To find:

The length of side of the poster = ?

Solution:

First of all, let us have a look at the formula for area of a square.

Let the side of square =
x inches

Formula:


Area =Side * Side

Putting the value of the side:


Area = x* x\\

Putting the value of Area as given in the question statement:


30 = x^2\\\Rightarrow x =√(30)\\\Rightarrow \bold{x \approx 5.48\ inches}

User Octy
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