Tangent always meets radius at 90° angle.
Angle ABC = 90° so Pythagoras' theorem applies.
r² + 4² = (r+2)²
r² + 16 = r² + 4r + 4
12 = 4r
r = 3
The number of cans recycled is the independent variable because it affects the amount of money earned.
Answer:

Step-by-step explanation:
Given


Required
The distance between the top and John
The distance is calculated using:

Where
--- the angle between the diagonal line and the vertical line


So, we have:






<em> --- approximated</em>
Answer:
no
Step-by-step explanation:
8*10=80, 1*10=10
80+10=90
8*11=88
88 does not equal 90 so no