In the neighborhood park there is a circular grassy picnic area, but half of the grass has died. The city wants to replant the grass, but needs to know the square footage of the damaged area. If the circular picnic area is 150 feet across, what is the square footage of the damaged area? Let π = 3.14.

Question

In the neighborhood park there is a circular grassy picnic area, but half of the grass has died. The city wants to replant the grass, but needs to know the square footage of the damaged area. If the circular picnic area is 150 feet across, what is the square footage of the damaged area? Let π = 3.14.
A)	471 sq. feet	
B)	8831.25 sq. feet	
C)	17662.5 sq. feet	
D)	35325 sq. feet

A?

Damon · Accepted Answer

A = pi r^2 = pi (75)^2\we want half of that pi (75)^2/2 = 8835 yes B)

Gizmo · Answer

I meant b

PsyDAG · Answer

Disagree Area = 3.14 (150/2)^2 = ?

Damon · Answer

Only half is grub bitten PsyDAG

PsyDAG · Answer

You are right. I goofed.

Gracie · Answer

Is it A?