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frosja888 [35]
3 years ago
10

A square room has a tiled floor with 81 square tiles. How many tiles are along an edge of the room?

Mathematics
1 answer:
Strike441 [17]3 years ago
4 0
As there are 81 tiles total, that makes your area 81. Being a square, that makes your area equation A=s^2. As you need a side, this makes your equation s=√A. Plugging in 81 as A, we get s=√81=9, so an edge has 9 tiles.
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Ray Of Light [21]

Answer:

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These are the first sentences in the short story, "The Gift of the Magi," by O. Henry:
Aleonysh [2.5K]

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5 0
3 years ago
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Step-by-step explanation:

7 0
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kotykmax [81]
<span>When given 3 triangle sides, to determine if the triangle is acute, right or obtuse:
</span>1) Square all 3 sides.
2) Sum the squares of the 2 shortest sides.
3) Compare this sum to the square of the 3rd side.

if sum > 3rd side²   Acute Triangle
if sum = 3rd side²   Right Triangle<span>
if sum < 3rd side²   Obtuse Triangle

1) 1,296   2,401   3,600
2) Sum = 3,697
3) </span><span>3,697 is greater than 3,600
Therefore, the triangle is acute.

Source:
http://www.1728.org/triantest.htm


</span>
4 0
3 years ago
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