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jerzie53
09.10.2019 •
Mathematics
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers.
complete the following proof.
prove: the diagonals of a square are perpendicular.
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Ответ:
the slope is:
AC=(y2-y1)/(x2-x1)
AC=(a-0)/(a-0)
AC=(a)/(a)
AC=1
For BD:
the slope is:
BD=(0-a)/(a-0)
BD=(-a)/(a)
BD=-1
AC is perpendicular to BD
AC is perpendicular to BD
Ответ:
a I did it before ok by have
to go
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