Answer:
20π square units
Step-by-step explanation:
The area of a sector is given by ...
A = (1/2)r²θ
where r is the radius and θ is the central angle in radians.
Filling in your numbers, we find the area to be ...
A = (1/2)(10²)(2/5π) = 20π
The area of the sector is 20π square units.
