find the length of AD
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Answer:
13
Step-by-step explanation:
This figure is a trapezium.
Side DC in total is 15 (cm I suppose). If AB is 10 then that side of the triangle will be 5 (cm).
So, according to Pythagoras Theorem, (AD is hypotenuse)
5² + 12² = AD²
25 + 144 = AD²
169 = AD²
13 (cm) = AD
Therefore, the length of AD is 13 (you didnt mention the unit).
Hope this helps...