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OpenStudy (anonymous):
find the area of a trapezoid 10cm, 20cm, 18cm, 15cm, 40cm
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OpenStudy (anonymous):
use the formula, 1/2 * h * (b1+b2)
OpenStudy (anonymous):
i dont know which centimeters are which?
OpenStudy (anonymous):
sorry 20cm across the top 40cm across the bottom 10cm down the left side 15 down the right side and 18 cm broken line out from 10 cm
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