Step-by-step explanation:
For a given rectangle,the area(A) is the product of its length and width
A=lw, given A=350m² and l=50m
transposing the equation for w gives w=A/l
w=350m²/50m=7m
That's it
Answer:
i dont know
Step-by-step explanation:
i don't know srry
The dimensions of the circle and square that produce a minimum total area are 1.12 and 2.24 respectively
Represent the side length of the square with s, and the radius of the circle with r.
So, the perimeter (P) and the area (A) of the shape are:


The perimeter is 16. So, we have:

Divide through by 4

Make s the subject

Substitute
in 

Expand

This gives

Differentiate with respect to r


Set to 0

Add 4pi to both sides

Divide both sides by 2

Make r the subject

Factor out pi

Cancel out the common factors

Express pi as 3.14


Divide

Recall that:

This gives

This gives


Hence, the dimensions of the circle and square that produce a minimum total area are 1.12 and 2.24 respectively
Read more about minimum areas at:
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