3 years ago

How do we know when to do the opposite reciprocal?

Mathematics

1 answer:

mylen [45]3 years ago

5 0

Answer:

The corner of a rectangle is 90 degrees. Therefore AB will be perpendicular to AD.

Step-by-step explanation:

Since those two lines are perpendicular, their slopes will be opposite reciprocals of each other. So to find AB, first find AD, then take the opposite reciprocal of that slope.

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