You would divide the total area by the length.
8 3/4 divided by 3 1/2
35/4 / 7/2
35/4 * 2/7 = 70/28 =2 1/2 ft
Answer:
Step-by-step explanation:
The thing with the arc length formula, s = rt, is that t is the angle in radians. Ours is in degrees, so we have to change it:
36 × 
So the formula we use to solve for r is:

Multiply both sides by 5 over pi to get that

Answer:
6.87
Step-by-step explanation:
hope this can help b/c u didnt tell me how much she bought per item