A circular park whose diameter is 210 m has a 5 m wide path running around it (on the outside). What is the area (in m2) of the path?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 1075π.
Diameter of park = 210 m
So,
Radius = 210/2 = 105 m
Width of path = 5 m
So,
Area of the path
= π[(105 + 5)2 – (105)2]
= π × (110 – 105) × (110 + 105)
= π × 5 × 215
= 1075π m2