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WITCHER [35]
3 years ago
8

The area of a square patio is 225 square feet. What is the perimeter of the patio

Mathematics
1 answer:
Elanso [62]3 years ago
5 0
STEP 1:
find the length of the sides of the square

AREA FORMULA (for a square)
x= side

A=x^2

225=x^2
take square root of both sides

15 feet= x


STEP 2:
find perimeter

PERIMETER FORMULA (for a square)

x= side of square

P= 4x
use x value from step 1

P= 4(15 ft)
P= 60 feet


ANSWER: The perimeter is 60 feet.

Hope this helps! :)
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7 0
3 years ago
The floor of a gazebo is in the shape of a regular octagon. The perimeter of the floor is 72 feet. The distance from the center
Katyanochek1 [597]
The length of one side of the octagon is given by:
 L = 72/8

L = 9
 Then, the apothem can be determined using the Pythagorean theorem in the following way:
 11.8 ^ 2 = (9/2) ^ 2 + a ^ 2

 Clearing to have:
 a ^ 2 = 11.8 ^ 2 - (9/2) ^ 2
 a = \sqrt{11.8 ^ 2 - (9/2) ^ 2}
 a = 10.91
 Then, the area is given by:
 A = (8) * (1/2) * (L) * (a)

 Where,
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 a: apotema
 Substituting values:
 A = (8) * (1/2) * (9) * (10.91)

A = 392.76 feet ^ 2
 Answer:
 
the approximate length of the apothem is:
 
a = 10.91 feet
 
The approximate area of the floor of the gazebo is:
 
A = 392.76 feet ^ 2
8 0
4 years ago
Read 2 more answers
Priya completed 9 exam questions. This is 60% of the questions on the exam.
Naily [24]
A and B.

60/100 • p = 9 will give you 60 % of the test questions

0.6p = 9 will also give you 60% of the test questions

60 - p = 9 will take away 60 questions from the test making it wrong

60+p = 9 will add 60 questions to the test making it wrong

9+p = 60 will add 9 questions to the test making it wrong
8 0
3 years ago
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