Answer:
∠C = 27°
Step-by-step explanation:
AB² = BC² + AC² - 2 x BC x AC x cos ∠C
25 = 100 + 121 - 2 x 10 x 11 x cos ∠C
cos ∠C = 196 / 220 = 0.89
∠C = 27°
Answer:
80000/0.15=$533,333.00
Step-by-step explanation:
Answer:
31 I started out with 3, multiply by 3=9+1=10x3=30+1=31
Step-by-step explanation:
Answer: DF = 4 in
Step-by-step explanation:
Here in triangle DEF,
In which DE = 4, , and
Since,
⇒
⇒
⇒
Thus, first option is correct.