The height of trapezoid VWXZ is 8/3 units. The upper base, vw, measures 10 units. Use the 30°-60-90°
triangle theorem to find the length of YX.
Once you you know the length of YX, find the length of
the lower base, ZX.
14 units
10
w
10+43 units
O 18 units
30
10+8V3 units
81/3
60°
X
Y
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