Question

A circular ground of radius 7m is surrounded by a path of width 3.5 m

Answer 1

Answer:

Step-by-step explanation:

Radius of path + circular ground = 14m

(area of ground + path) - (area of ground)

(Pi * 14^2) - ( Pi * 7^2)

 

615.75 - 153.94

= 461.8 m^2 (the area of the path)

Hope this helps.

:-)

Answer 2

Answer:

Step-by-step explanation:

Area of path=π(R^2-r^2)

R=10.5

r=7

A path=22/7×(10.5+7)(10.5-7)

A=22/7×(17.5)(3.5)

A=192.5