1) Take the perimeter and divide it by 4.
2) Take the answer from step 1 and square it (multiply by itself)
It is B because tangent lines are always perpendicular to radii
Answer:
Step-by-step explanation:

Just take it in co-ordinate pairs
Take two points
Slope:-




Equation of line in point slope form




- Convert to slope intercept form y=mx+b

Graph attached
Answer:
2(338x + 437y) which is 676x +874y
Step-by-step explanation: I just looked this up on Math.way so...