Write an equation that could be used to find the value of b.
2 answers:
Answer:
b = 1.88 units
Step-by-step explanation:
From the law of cosine
b² = a² + c² - 2ac cos B
Now we plug in the values of a = 2, c = 3 and ∠8 = 38°
b² = 2² + 3² - 2 × 2 × 3 cos 38°
b² = 4 + 9 - 12 (0.78801)
= 13 - 9.456
= 3.5438
b = 
= 1.88 units
Therefore, b = 1.88 units
B^2=(a^2)+(c^2)-2acCosB
b^2=4+9-(2*3*2)(Cos38)
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Answer:
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