Step-by-step explanation:
1. A= 1/2 (51.96) (5)
A= 1/2 (259.8)
A= 129.9 m
2. A= 1/2 (101.7) (14)
A= 1/2 (1,423.8)
A= 711.9 in
3. A= 1/2 (59.68) (9)
A= 1/2 (537.12)
A= 268.56 cm
4. A= 1/2 (108) (15.59)
A= 1/2 (1,683.72)
A= 841.86 yd
5. A= 1/2 (160) (22)
A= 1/2 (3,520)
A= 1,760 ft
6. A= 1/2 (192) (29)
A= 1/2 (5,568)
A= 2,784 mm