The parks and recreation organization has decided to add a sidewalk around a big oak tree in the park.
They are hoping that this will decrease the amount of foot traffic in front of the tree.
A diagram showing the old and new sidewalks is shown.

About how many additional feet will a person travel if they walk along the new path?
A. 18 feet
B. 24 feet
C. 45 feet
D. 51 feet

Question

The parks and recreation organization has decided to add a sidewalk around a big oak tree in the park.
They are hoping that this will decrease the amount of foot traffic in front of the tree.
A diagram showing the old and new sidewalks is shown.

About how many additional feet will a person travel if they walk along the new path? 
A.   18 feet  
B.   24 feet  
C.   45 feet  
D.   51 feet

anonymous · Answer

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anonymous · Answer

c^2 = a^2+b^2
c^2 = 24^2+48^2
c= 53.66

24 + 48 = 72 
72- 53.66 = 18.33 =18