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Answer:
45 square meters
Step-by-step explanation:
we know that
The area of trapezoid is equal to

where
b1 and b2 are the parallel bases
h is the height of trapezoid (perpendicular distance between the parallel bases)
we have

substitute


Answer:
number 8 is a rational number because it can be written as the fraction 8/1
Step-by-step explanation: