What is the length of DE?
3
15
18
X
12
49
499
A
18<...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 11.01.2021 21:30, avablender
What is the length of DE?
3
15
18
X
12
49
499
A
18
O A. 6
O B. 15
O C. 10
O D. 9
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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