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what is the area of a square with sides 8 ft. long?

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William B. | Math and Science SpecialtiesMath and Science Specialties
1

The area of a 2 dimensional 4 sided parallelogram is simply length times width (L*W) and is expressed in 'square' whatever measurement you are using.  So, 8*8=64, and is expressed as 64 square feet.

Gwen R. | I like to see the lights go on! All ages, math, science, reading, ACT.I like to see the lights go on! All ages...
4.9 4.9 (204 lesson ratings) (204)
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The area of a square with sides of 8 ft is 64 square feet. Use the formula for area of a square:  A=s*s

Answer is 64 square feet

 

Keri R. | General Education Tutor Specialty- Elementary Education and EC General Education Tutor Specialty- Eleme...
5.0 5.0 (3 lesson ratings) (3)
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The formula to determine the area of a square is:

area = width * height 

Because a square is equal on all sides you can use the formula:

area= s

s will be the length of one side

s2 will be the length of both sides so it should look like this:

area= 8*8  which equals 64 

Because s (the length of one side) is squared (because you have 2 sides) the final answer will be 64 ft2

 

Ralph L. | Algebra I, II, Visual Basic, Beginning C++ tutorAlgebra I, II, Visual Basic, Beginning C...
4.0 4.0 (1 lesson ratings) (1)
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A square has all sides equal. So, since one side is 8 feet long the other sides also have the same length.

Area of a rectangle is  length multiplied by the width. In this case, length is equal to width. So,

Area is 8 ft * 8 ft which is 64 ft2.

 

 

Mike C. | Enthusiastic Tutor for Middle and High School StudentsEnthusiastic Tutor for Middle and High S...
4.8 4.8 (82 lesson ratings) (82)
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The area of a square is the side length squared, so it is (8ft)(8ft) or 64ft2.