Question

The area of a circular grass lawn is 1386 sq m. A path of uniform width was laid around it,on the outside. if the area of the path is 1078 sq m, find
a) the radius of the grass lawn and
b) the width of the path​

Answer 1

Answer:

Step-by-step explanation:

πr  

2

=5544

r  

2

=  

22

5544

​  

×7=1764

r=42= Inner Radius

π[R  

2

−r  

2

]=2002

R  

2

=1764+637=2401

R=49m

Width of path =R−r

=49−42

=7m.

Answer 2

Answer:

a) 2464 m^2

b) 7

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