Answer:
52√3 ft^2
Step-by-step explanation:
The area of a trapezoid is the average of the bases times the height
We have enough information to find these parts.
The average of the bases is 11+15 /2 =13
The height is 4√3
So the answer is 13 * 4√3 = 52√3
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There are 4 Jacks and 4 nines in each deck of cards, each one a different suit, so you would have a probability of 8/52, or 2/13 simplified.
