The slopes of perpendicular lines are opposite and reciprocals.
The correct answer is 20.
square root 2 times square root of 200 = square root of 400 ans since 400 is a perfect square, then I'll calculate to 20.
On brainly, i don’t think you can delete questions. but you can just ignore them
Answer:
x^2+y^2=r^2 is quation of circle whose centre is (0,0)
