A square garden has area 1764meter find it's length and perimeter
2 answers:
Answer:
- Length = 42 m
- Perimeter = 168 m
Concept:
Here, we need to know how to find the area and perimeter of the square.
Area (square) = s²
- s = side length
Perimeter (square) = 4s
- s = side length
Solve:
<h2><u>PART I: Find the length</u></h2><h2><u /></h2><u>Given information</u>
Area = 1764 m²
<u>Given formula</u>
A = s²
<u>Substitute values into the formula</u>
1764 = s²
<u>Square root both sides</u>
√s² = √1764
--------------------------------------------------------------------------------------------------------
<h2><u>PART II: Find the perimeter</u></h2><u>Given information</u>
s = 42 m
<u>Given formula</u>
P = 4s
<u>Substitute values into the formula</u>
P = 4 (42)
<u>Simplify by multiplication</u>
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Answer:
Option A,
Step-by-step explanation:
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The list price is .
To find: The amount Deborah spent on the computer.
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The amount Deborah spent on the computer
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So, Deborah spent on the computer.
Hence, option A is correct.
Answer:
The value of y is 5 , and The value of x is - 5
Step-by-step explanation:
Given as :
The line passes through point ( - 2, 5)
The slope of line is m =
Equation of line is written as
y - = m × (x -
)
Since line passes through line ( - 2 , 5 ) and have slope
So, y - 5 = × (x + 2)
Or, 3 × ( y - 5 ) = 2 × ( x + 2 )
Or, 3 y - 15 = 2 x + 4
Or, 3 y - 2 x - 19 = 0 is the equation of line
Now points ( x , 3 ) lies on the line 3 y - 2 x - 19 = 0
So, 3 × 3 - 2 x - 19 = 0
or, 9 - 2 x - 19 = 0
or, 2 x = - 10
∴ x = -
I.e x = - 5
Again points ( - 2 , y ) lies on the line 3 y - 2 x - 19 = 0
So, 3 × y + 2 × 2 - 19 = 0
Or, 3 × y + 4 -19 = 0
or, 3 y = 15
∴ y =
I.e y = 5
Hence The value of y is 5 , and The value of x is - 5 . Answer