Answer:
a=41.8 BC=2.8
Step-by-step explanation:
sin30/6=sinx/8
8*sin30=6sinx
4=6sinx
sin^-1(4/6)
angle a
cosine rule
bc^2=3^2 +5^2-2(3)(5)*cos30
BC^2=
BC=2.83
2.8
What is the ratio of 5/7
1 answer:
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We need to solve for x, we need to get x alone
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Add 5 on both sides
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To remove square , take square root on both sides
square and square root will get cancelled
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