Answer:
a. 2 units.
Explanation:
The answer is two units because the trapezium ABSD is equal to PLOK, meaing that SD and KO should also be equal. Meaning that SD equals 2 units.
since the 2 trapezium's are congruent SD should be equal to KO which is 2
so the answer is a)2 units
Hope it helps :)
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