Pre-Calculus Practice Problem 132

Pre-Calculus Practice Problem 132 - A =34 o 35 B =45 o 19 C...

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Unit 4, Activity 3, Solving Oblique Triangles with Answers Blackline Masters, Advanced Math-Pre-Calculus Page 130 Comprehensive Curriculum, Revised 2008 Problem # Which geometric postulate applies? SAS, SSS, AAS, ASA, SSA Which law should be used ? Solution 1.a = 30.00 b = 60.00 C=23 o 50’ SAS law of cosines B = 135 o 43’ A = 20 o 27’ c = 34.74 2. b = 23.5 B = 15.0 o C = 18.0 o AAS law of sines A =147 o a = 49.5 c = 28.1 3. a = 8.302 b = 10.40 c = 14.40 SSS law of cosines
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Unformatted text preview: A =34 o 35 B =45 o 19 C =100 o 06 4. a = 8.00 b = 9.00 A = 75.0 o SSA If bsinA<a<b there are 2 triangles, therefore 2 solutions. use law of sines Solution1: B =51 o 20 C =86 o 40 c = 44.8 or Solution 2: B =128 o 40 C=9 o 20 c = 7.3 5. a = 6.0 A = 64 o 30 C = 56 o 20 AAS law of sines b = 5.9 c = 6.2 B =64 o 30 6. a = 3.0 b = 9.0 c = 4.0 SSS a + c < b Therefore there is no triangle....
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