The work can be finished in one week because the area of the grassland is 3,726m² which is less than the area of the grassland
Calculation of the area of grassland
The area cleared by the workers in a 18 × 7 = 126²
= 15,876m²
To calculate the area of the grassland, find the area of the two semi circle and the square.
To find the area of two semi circle is the same as the area of one circle= πr²
π = 3.14
r = 30m
Area of circle = 3.14 × 30²
= 3.14 × 900
= 2,826m²
While the area of the square is
= sides ²
= 30 × 30 = 900m²
Therefore the area of the grassland;
= 2,826 + 900
= 3,726m²
Therefore, the worker would be able to finish the fencing on one week because they will be able to cover 15,876m²area in a week.
Learn more about area of a circle here:
https://brainly.com/question/26594685
#SPJ1
