Answer: 5
Step-by-step explanation:
Answer:
B
b simplified is the only one that works
140°
155°-15° =140°
6 in 2.
Area = √s(s-a)(s-b)(s-c)
= √6×(6 - 4)×(6 - 3)×(6 - 5)
= 6 inches 2.
