The sides of a triangular park are 200 m, 210 m, and 290 m. The area of the park (in hectares) is:

The sides of a triangular park are 200 m, 210 m, and 290 m. The area o

1.	The sides of a triangular park are 200 m, 210 m, and 290 m. The area of the park (in hectares) is:
A.	2.4
B.	1.8
C.	2.1
D.	2.9
Answer» D. 2.9