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Law of Sines - Practice #2 (Grade 10)

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Law of Sines - Practice #2

1. 
In [math]triangleABC[/math], a = 12, b = 8, and [math]m angleA = 40deg[/math]. Find [math]m angleB[/math] to the nearest degree.
  1. 25°
  2. 56°
  3. 59°
  4. 75°
2. 
If [math]AB=45[/math], [math]ang C = 22deg[/math], and [math]ang B= 8deg[/math], what is length of [math]AC[/math] ?
Scalene Triangle ABC v1
  1. [math]16.7[/math]
  2. [math]121.1[/math]
  3. [math]48.1[/math]
  4. [math]23.6[/math]
3. 
In triangle ABC, angle A = 61°, angle B = 47°, AC = 7.2 cm. Find BC.
  1. 7.6 cm
  2. 8.6 cm
  3. 4 cm
  4. 10 cm
4. 
If [math]AB=27[/math], [math]ang C = 19deg[/math], and [math]AC= 4[/math], what is value of [math]ang B[/math] ?
Scalene Triangle ABC v1
  1. [math]2.2 deg[/math]
  2. [math].04 deg[/math]
  3. [math]2.8 deg[/math]
  4. [math]81.9 deg[/math]
5. 
In the triangle PQR, sin(P) = 0.2, sin(R) = 0.4 and r = 22. Find the length of p.
  1. 11
  2. 9
  3. 7
  4. 10
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