Answer:
: c2 = a2 + b2 - 2ab cos C
c²=20²+15²-2×15×20×cos50
c²=400+225-600×0.64
c²=241
c=√241=15.5ft
Answer:
B
Step-by-step explanation:
180 - 100 = 80
80 = 30 = 110
180 - 110 = 70
That would be 3.5 b/c it can’t be expressed as a ratio or a simple fraction
Answer: 22 i think
Step-by-step explanation:
add all sides together