Answer:
Step-by-step explanation:
1. To calculate the area of the grass you must substract the area of the square and the area of the circle.
2. The area of the square is:
Where 
is one side of the square.
3. You have that:
4. Therefore:
5. The area of the circle is:
6. The are of the grass is:
18-8 is equivalent given that is a ratio you're talking about
Arc length: s = radius (central angle)
Here, 18 cm = (radius)(7pi/8)
Solving for the radius:
18 cm (18 cm)(8)
radius = --------------- = ------------------ = ? Please calculate this.
(7pi/8) 7pi
5 miles per hour it takes 2 10th to make 1 mile
Answer:
80
Step-by-step explanation:
