Anwser
D) 160
Step by step explanation
To find the area of a object you must multiply the length by the height in this case they gave you an equation instead of an exact height so the first thing you have to do is:
20m x 16m = 320m
But as you can see, all of the answers have an exponent of two meaning we would have to divide 320 by 2
320 ÷ 2 = 160
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