You're looking for 3), a meter.
V = A*h / 3
A = 5*12 / 2 = 60 / 2 = 30 m²
h = 9 m
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V = 30*9 / 3
V = 10*9
V = 90 m³
Answer is B.
500 x 6 = 3000.
3000 in kilometers is 3.
<u><em>Answer:</em></u>
<u><em>Here's the answer:</em></u>
<u><em>r = √ ( x2 + y2 )</em></u>