Question

The slope of one of the diagonals of a square is - 3. What must be the slope of the other diagonal?

Answer 1

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Answer:

1/3

Explanation:

The diagonals of a square cross at right angles. The slope of the other is the negative reciprocal of the slope of the given diagonal:

-1/(-3) = 1/3

The slope of the other diagonal is 1/3.