Answer:
4.5
Step-by-step explanation:
You can change 1/4 to a decimal and then multiply 2×2.25
Answer:
8.2
Step-by-step explanation:
Use cosine law:
BC² = 7² + 9² - 2(7)(9)cos(60)
BC² = 67
BC = sqrt (67)
BC = 8.1853
BC = 8.2 (nearest tenth)
Answer:
no
Step-by-step explanation:
no no no no no no no no no no nø no no
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Answer: -180
Hope this helped!
