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laurenward
The answer is 110 square centimeters.
FELICA26
you just do 1/2(15+7)10 and then u will add 15+7 which equals to 22 and then you will multiply 22 by 10, which will equal 220, and then you will either multiply 1/2 by 220 or .5 by 220 or just divide 220 by 2.