It is 2

It is 90 feet from home plate to first base on a baseball diamond. What is the area of the baseball diamond in square yards?

Correct answer:

S =  900 yd²

Step-by-step explanation:

$$\begin{gathered} a=90\mathrm{/}3=30\text{ yd } \\ S=a^2=30^2=900{\text{yd}}^2 \end{gathered}$$

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