27-02-2020
Mathematics

contestada

A trapezoid is 64cm^2. The height is 12 cm and one base is 4cm. What is the length of the missing base?

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elizabethlizkelly elizabethlizkelly

28-02-2020

Answer:

20/3

Step-by-step

(base1+base2)/2 * height = area of a trapezoid

64/12=16/3

16/3*2 = 32/3

32/3-4 = 20/3

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