jayqq4240
29.06.2019 •
Mathematics
Atrapezoid has an area of 21.2 square miles. one base is 4 miles long. the other base is 1.3 miles long. what is the height?
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Ответ:
The height = 8 miles.
Step-by-step explanation:
Area of a trapezoid = h(a + b)/2 where h=the height and a and b are the 2 bases.
So we have:
21.2 = h(4 + 1.3)/2
5.3 h / 2 = 21.2
5.3h = 42.4
h = 42.4 / 5.3
h = 8.
Ответ: