Answer:
1380 m²
Step-by-step explanation:
The formula for a regular polygon (all sides are the same)
Area = 1/2 (apotham)(perimeter)
apotham is the line from the center to the middle of a side = 20 m
perimeter = 23(6) = 138 multiply by 6 because there are 6 sides
Area = (1/2)(20)(138) =1380 m²
