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Sagot :
Answer:
[tex]16z+64[/tex]
Step-by-step explanation:
Area of a square = [tex]x^2[/tex] (where [tex]x[/tex] is the length of one side)
Side length of smaller square = [tex]z[/tex]
⇒ area of smaller square = [tex]z^2[/tex]
Side length of large square = [tex](z+8)[/tex]
⇒ area of large square = [tex](z+8)^2[/tex]
Shaded area = area of larger square - area of smaller square
⇒ shaded area = [tex](z+8)^2-z^2[/tex]
= [tex]z^2+16z+64-z^2[/tex]
= [tex]16z+64[/tex]
Answer:
16z + 64
Step-by-step explanation:
Hello!
First, we find the area of the blue square, pretending that there is no part cut out.
Area:
[tex](z+8)(z+8)\\\\\\(z+8)^2\\\\\\z^2 + 16z + 64[/tex]
Now, subtract the missing area from the total area:
[tex]z^2 + 16z + 64 - (z * z)\\\\z^2 + 16z + 64 - z^2\\\\16z + 64[/tex]
The answer is 16z + 64
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