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:
-1, 0
Step-by-step explanation:
i think <33
Answer:
Substitute the 80°F where the F is in the equation. then just put the whole equation into your calculator. I got approximately 26.7.
Unfortunately I do not know the rectangle you are speaking of, if you could provide the rectangle I would be happy to help.