Let the side length of the square be x, then A = x^2
but diagonal (z) = sqrt(2x^2)
z^2 = 2x^2
x^2 = 1/2 z^2

Thus, A = 1/2 z^2
dA/dz = 1/2 (2z) = z
The rate of change is z.

When z = 4, the rate is 4.

4 0

4 years ago

I honestly don’t understand this ::))

GrogVix [38]

Answer:

Answer is 100 sq m

Step-by-step explanation:

A = $a^{2}$

A = $10^{2}$

A = 100 sq m

HOPE IT HELPS

<u><em>(FROM CROSS)</em></u>

7 0

3 years ago

What is the correct answer for the problem 3.12 x 4.0

ch4aika [34]

Hi Brielle the correct answer to your question is 3.12 x 4.0 = 12.48

7 0

2 years ago

Read 2 more answers

The nail must be shorter than 1 3/8 inches in order to fit. Which number below is less than 1 3/8?

maks197457 [2]

Can you give me the options?

3 0

4 years ago