M = -2
In perpendicular lines, the slopes are opposite reciprocal. This means you flip the sign (from + to - or from - to +) and flip the numerator and denominator.
So 1/2 becomes negative, and 2/1 = 2
So the slope is -2
Step-by-step explanation:
Geometry is in maths
Geology is in geography..
I hope you understand..
6-4(2/3)
5(3/3)-4(2/3)
1(1/3)
13.20254313. Pi(2.05)^2. 4.1÷2(for the radius)=2.05.Square it and multiply by Pi. a=pi(r)^2