Answer:
Explanation:
Use the formula A = a + b/2 · h
b = 2·A/h - a
b = 2 · 27/6 - 2
b = 7
1/2(6)(2 + x) = 27
3(2 + x) = 27
6 + 3x = 27
6 - 6 + 3x = 27 - 6
3x = 21
3x / 3 = 21 / 3
x = 7
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