Answer:
see explanation
Step-by-step explanation:
The area (A) of a regular decagon ( 10 sided ) is calculated as
A = 0.5 × perimeter × apothem
Here side length = 3.25, hence perimeter = 10 × 3.25 = 32.5 m, thus
A = 0.5 × 32.5 × 5 = 81.25 m²
Answer:
5000
Step-by-step explanation:
Either I do it I get 5000.
Sorry if this is wrong.
Since only 2 sides are equal (not 3), this is an "isosceles triangle."
