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Solve for the remaining angles and side of the two triangles that can be created. Round to the nearest hundredth:C=30°𝐶=30°, a=4𝑎=4, c=3

Question

Solve for the remaining angles and side of the two triangles that can be created. Round to the nearest hundredth:C=30°𝐶=30°, a=4𝑎=4, c=3

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Solution

To solve for the remaining angles and sides of the two triangles, we will use the Law of Sines.

First, let's find angle A using the Law of Sines:

sinA/a = sinC/c

sinA = (a * sinC) / c

sinA = (4 * sin30°) / 3

sinA = (4 * 0.5) / 3

sinA = 2 / 3

A = arcsin(2/3) ≈ 41.81°

Now, let's find angle B:

B = 180° - A - C

B = 180° - 41.81° - 30°

B = 108.19°

Now, let's find side b using the Law of Sines:

b/sinB = a/sinA

b = (a * sinB) / sinA

b = (4 * sin108.19°) / sin41.81°

b ≈ 6.93

So, the first triangle has angles A = 41.81°, B = 108.19°, C = 30° and sides a = 4, b ≈ 6.93, c = 3.

For the second triangle, angle A' = 180° - A = 138.19°. Angle B' = 180° - A' - C = 11.81°. Side b' can be found using the Law of Sines:

b'/sinB' = a/sinA'

b' = (a * sinB') / sinA'

b' = (4 * sin11.81°) / sin138.19°

b' ≈ 1.15

So, the second triangle has angles A' = 138.19°, B' = 11.81°, C = 30° and sides a = 4, b' ≈ 1.15, c = 3.

This problem has been solved

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