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Chapter 10: Q7. (page 629)

The length of the side of a square is given by the functions=A, whereA is the area of the square. What is the length of the side of a square that has an area of 121 square inches?

A 121 inches

B 11 inches

C 44 inches

D 10 inches

Short Answer

Expert verified

The length of the side of a square that has an area of 121 square inches is 11 inches. Therefore, the option B is correct.

Step by step solution

01

Step 1. Write the formula to find the length of the side of a square.

The length s of the side of a square is given by:

s=A, whereA is the area of the square.

02

Step 2. Find the length of the side of a square that has an area of 121 square inches.

The area of the square is 121 square inches. Therefore, the value of Ais 121.

Substitute 121 for Ain s=Ato find the value of s.

s=A=121=11脳11=112=11

Therefore, the value of sis 11.

03

Step 3. Conclusion.

Therefore, the length of the side of a square that has an area of 121 square inches is 11 inches. Therefore, the option B is correct.

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