4 years ago

A square deck has an area of 81 square feet? How long is each side of the deck?

Mathematics

2 answers:

ss7ja [257]4 years ago

4 0

All 4 sides of a square are of the same length.

The formula for the area of a square is s*s = area where s is the length of one side of the square.

s^2 = 81

s = 9 or -9

-9 does not apply here but 9 does.

Each side of the square deck is 9 feet long.

Veseljchak [2.6K]4 years ago

3 0

Formula for area of a square A=s^2 81=s^2 square root of 81 is 9 all the sides are the same 9 ft hope this helps

You might be interested in

If LMP is 11 degrees more than NMP and NML=137 find each measure

zalisa [80]

LMP would be 74 degrees and NMP would be 63

3 0

3 years ago

A box contains 15 cards. There are 5 red cards labeled 1, 2, 3, 4, and 5. There are 5 blue cards labeled 1, 2, 3, 4, and 5. Ther

suter [353]

The answer is 7/15
hope this helps!

5 0

3 years ago

Please help !! Use Pythagorean theorem :) and show your work if you can thanks :”) will give b

g100num [7]

Answer:

$b=\sqrt{1575}$ ≈ 39.7ft

Step-by-step explanation:

The Pythagorean theorem:

$a^{2}+ b^{2}= c^{2}$

(a and b are the two shorter legs and c is the largest leg, which is also the opposite side of the right angle)

First, the value of a and c is given. So, we can go ahead and plug those value in and then solve for b.

$45^{2}+ b^{2}= 60^{2}$

$2025+b^{2} =3600$

To find b, we have to get it by itself. So we subtract 2025 from both sides then square root both sides. Resulting in:

$b^{2} =1575$

$b=\sqrt{1575}$ ≈ 39.7ft

7 0

3 years ago

How do you write 18.9 in scientific notation?

vesna_86 [32]

Answer:

1.89*10^1

Step-by-step explanation:

move the decimal once to the left

8 0

4 years ago

Read 2 more answers

F=fg/f+g-d Solve for f. F and f are different!

Masteriza [31]

You are the smartest person i know

5 0

3 years ago