If you reverse the digits of a two-digit positive integer and subtract the resulting integer from the original integer , the dif
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- draw the points
- you will see thet AC has the same M as BD
- also AC = BD distance because it is a square
- calculate the M of AC
- calculate AC distance
- lets say d is (x,y)
- now just make to equations with BD distance and M
- you will see thet AC has the same M as BD
- also AC = BD distance because it is a square
- calculate the M of AC
- calculate AC distance
- lets say d is (x,y)
- now just make to equations with BD distance and M