Math, asked by 04646, 8 months ago

the angle between lines x+y=0 and x -y =0 is?

Answers

Answered by Beginningnow

1

Answer:

90

Step-by-step explanation:

because slope of 1st equation is -1 and slope of 2nd equation is 1

m1m2=-1 so, they are perpendicular

slope of an equation =-(x coefficient / y coefficient)

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