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The area of a square is 26 km^2. Find the length of a side. Round your answer to one decimal place.

2007-01-25 07:12:36 · 19 answers · asked by JoAnna 2 in Science & Mathematics Mathematics

19 answers

Since all 4 sides of a square are the same length (call it 's'), the area is the length (s) times the width (s), or s²:

A = s² = 26km²

s = √(26km²) = √26 km ≈ 5.0990195135927848300282241090228 km

Rounded to one decimal place, s = 5.1 km.

2007-01-25 07:18:34 · answer #1 · answered by Jim Burnell 6 · 0 0

A square has 4 sides of equal length. Since area is calculated by multiplying the length of two sides together...if the length of a side is x km, then x * x = 26 km^2
So basically just take the square root of 26 and thats what it is.

2007-01-25 15:19:17 · answer #2 · answered by mdigitale 7 · 0 0

Pretty easy

If it is a square, both sides are the same length, and the area is the width X the length. Therefore, the length of one (actually all 4) side is the square root of 26...I'll let you do the calculation

2007-01-25 15:20:14 · answer #3 · answered by The Answer 2 · 0 0

Since the area of a square = side squared, take the square root of 26, which equals 5.09901... and round to the tenths place, which is 5.1.

2007-01-25 15:21:58 · answer #4 · answered by MiLady 1 · 0 0

area for a square = length of a side x length of a side

since all 4 sides of a square is equal in length, it can also be written as:

area of a square = (length of a side)^2

therefore, 26 = (length of a side)^2

length of a side = √26
= 5.099...
= 5.1

2007-01-25 15:23:49 · answer #5 · answered by joy110211 2 · 0 0

a^2 = 26 => a= 5.1 km

2007-01-25 15:22:04 · answer #6 · answered by Anonymous · 0 0

Let x be the side length, then
x^2 = 26 km^2
x = sqr[26] km ~ 5.1 km

2007-01-25 15:24:19 · answer #7 · answered by kellenraid 6 · 0 0

s^2 = 26 km^2

So, s = 5.1 km (rounded to 1 decimal place).

HTH

Charles

2007-01-25 15:44:54 · answer #8 · answered by Charles 6 · 0 0

Area of a square = side * side
26= s^2
s=5.1 km

2007-01-25 15:21:46 · answer #9 · answered by Anonymous · 0 0

side = sqrt(26) =5.1 km rounded to one decimal place

2007-01-25 15:20:45 · answer #10 · answered by santmann2002 7 · 0 0

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