a circular pond has a radius of 13m. a path goes all the way round the circumference of the pond. the path is 1.2 m wide throughout find the area of the path.
Answers
Answered by
2
Answer:
102.54
Step-by-step explanation:
area of the path+pond - area of the pond
pi x (13+1.2)^2 - pi x 13^2
drawing a picture should help.
Answered by
1
Answer:
102.4896m^2
Step-by-step explanation:
radius of pond ( r) = 13m
radius of path ( R) = 13 + 1.2 = 14.2m
Area of circular ring ( path) is = π( R^2 - r^2)
= 3.14( 201.64 - 169)
= 3.14 x 32.64
= 102.4896 m^2
Similar questions