Answer:
(1/2)(g - 11)(g - 8) = 35
(g - 11)(g - 8) = 70
g² - 19g + 88 = 70
g² - 19g + 18 = 0
(g - 1)(g - 18) = 0
g = 18
Base: 18 - 8 = 10 meters
Height: 18 - 11 = 7 meters
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