Answer:
26 units
Explanation:
AD = 9 -2 = 7 units long. BC is the same. so we have 2 X 7 = 14.
DC is 9 - 3 = 6 units long. AB is the same. so we have 2 X 6 = 12.
perimeter = 14 + 12 = 26 units
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