kamal81
09.06.2021 •
Mathematics
I’m a right triangle which of the following is the definition of the cosine ratio?
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Ответ:
Ответ:
Explanation:
For any rectangle, the diagonals are the same length.
AC = BD
7x-35 = 3x+45
7x-3x = 45+35
4x = 80
x = 80/4
x = 20