Answer:
(q)




(r)





(s)





Step-by-step explanation:
Cos (B) = (a^2 + c^2 -b^2) / (2 * a * c)
cos (B) = (11^2 +17^2 -12^2) / (2 * 11 * 17)
cos (B) = (121 + 289 -144) / (374)
cos (B) = 266 / 374
cos (B) =
<span>
<span>
<span>
0.7112299465
Angle B = </span></span></span>44.665 degrees
Answer: option 3
Step-by-step explanation:
Answer:
6 people
Step-by-step explanation:
75% of 8 is 6
multiply 8 by the decimal .75