Answer:
D
Step-by-step explanation:
every 2 sides of a triangle has to be bigger than the 3rd side
c^2 = a^2 + b^2 - 2(ab)(cos C)
c^2 + 2(ab)(cos C) = a^2 + b^2
2(ab)(cos C) = a^2 + b^2 - c^2
cos C = (a^2 + b^2 - c^2) / 2ab - Answer choice E
Hope this helps! :)
Answer:
Step-by-step explanation:
Answer:
1.2}3,2
Step-by-step explanation:
Answer:
1/2, because there's 4 suits, and so the probability of choosing 2 is 1/2.
Step-by-step explanation:
