120/4=30. Remember its widthxlength. if you forget ask your teacher or look online for more help. Good luck.
There is only 1 solution for the length of BC.
We can calculate it using Pythagorean theorem.
We can conclude that triangle's hypotenuse is AC.

If that is the case we are looking for a side BC.

Now put in the data.

Hope this helps.
r3t40
Answer:
i think the answer is 22
Step-by-step explanation:
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