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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

Since it is a square field at first. Both sides are equal. Let that be x. And you will add length of 3 and 2... So the equation is (x+3)(x+2)mm2=90mm2 solve for x=7