Hey!
-------------------------------------
Formula: A = πr²
Radius: diameter / 2 = r
-------------------------------------
We Know:
15 / 2 = 7.5 (radius)
π ≈ 3.14 (pi)
-------------------------------------
Solution:
A = (3.14)(7.5)²
A = (3.14)(56.25)
A = 176.625
A ≈ 176.71 m²
-------------------------------------
Answer:
Area ≈ 176.71 m²
-------------------------------------
Hope This Helped! Good Luck!