Answer:
The dimensions of the box is 6 × 6 units.
Step-by-step explanation:
Chloe fill a sand box whose area is 36 square units.
Let length be x units and width be y units.
Area of box = 36

Perimeter of box, 
![P=2(x+\dfrac{36}{x})\ \ \ \ \ \ \ \ [\text{ From }(i)]](https://tex.z-dn.net/?f=P%3D2%28x%2B%5Cdfrac%7B36%7D%7Bx%7D%29%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5B%5Ctext%7B%20From%20%7D%28i%29%5D)
Differentiate w.r to x

For critical point, 


x can't be negative.

units
Hence, Length = 6 units and width = 6 units
Answer:v=-4
Step-by-step explanation:
It is irrational.
A = π r^2 = π[3/4 cm]^2 = 9π/16 cm^2
An irrational number (Pi in this case) multiplied by a rational number (9/4) gives an irrational number.
Answer:
12+12
Step-by-step explanation:
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