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In mathematics, a real number is a value of a continuous quantity that can represent a distance along a line. The adjective real in this context was introduced in the 17th century by René Descartes, who distinguished between real and imaginary roots of polynomials.
Answer:
I think it’s either the first one or last.
Step-by-step explanation:
2(4*3) + 5.7*3 + 2(5.7*4)= 86.7 mm^2 (i could be wrong)
