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