3 years ago

Help!! These area questions confused the heck out of me!

Mathematics

1 answer:

Leviafan [203]3 years ago

5 0

The are is the whole area minus the inner:

(z+4)(z+4)-(z)(z)

Expand:

z^2+8z+16-z^2

Simplify:

8z+16

Answer:

8z+16 OR 8(z+2)

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