Area = ab sin C = (8 X 12) sin 76 ̊ = 38.8 ( rounded) Section Trigonometric Chapter:12 Law of Cosines Functions 12.5 Part 1 Multiple Choice Solve the triangle. Round to nearest tenth .Choose the correct group. A) A = 40̊ ,C = 35 C = 70 ̊ B) A = 50 , B = 87 , C = 43 ̊ ̊ ̊ C) A = 20 B = 35 , C = 20 ̊ ̊ D) A = 50 B = 43 = 35 ̊ Part (ii) Solve the triangle below and round to the nearest tenth. + = 2bc cos A Use: A = 112 ̊
Area = ab sin C = (8 X 12) sin 76 ̊ = 38.8 ( rounded) Chapter:12 Trigonometric Functions Section 12.5 Law of Cosines Part 1 Multiple Choice Solve the triangle. Round to nearest tenth .Choose the correct group. A) A = 40̊ ,C = 35 C = 70 ̊ B) A = 50 ̊ , B = 87 ̊ , C = 43 ̊ C) A = 20 B = 35 ̊ , C = 20 ̊ D) A = 50 B = 43 = 35 ̊ Part (ii) Solve the triangle below and round to the nearest tenth. Use: + = 2bc cos A A = 112 ̊
question_bank_grade_10_core_term_2.docx