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Geometry 7.1 Apply Pythagorean Theorem Objective: (page 433) Find side lengths of right triangles Vocabulary Pythagorean triple Theorems Theorem 7.1 Classroom Problems ***Problems from workbook 7.1 1 Geometry 2 Geometry 7.2 Use Converse to the Pythagorean Theorem Objective: (page 441) Use converse of Pythagorean Theorem to determine if a triangle is a right triangle Theorems Theorem 7.2 – Converse to Pythagorean Theorem Theorem 7.3 Theorem 7.4 Concepts Classify Triange by Angles Based on Side Lengths Classroom Problems ***Problems from workbook 7.2 3 Geometry 4 Geometry 7.3 Use Similar Right Triangles Objective: (page 449) Use properties of the altitude of a right triangle Theorems Theorem 7.5 Theorem 7.6 Theorem 7.7 Concepts Writing proportions for similar right triangles Classroom Problems ***Problems from workbook 7.3 5 Geometry 6 Geometry 7.4 Use Special Right Triangles Objective: (page 457) Use relationships of sides of special right triangles Concepts Theorem 7.8 – 45 45 90 Triangle Theorem Theorem 7.9 – 45 45 90 Triangle Theorem Classroom Problems ***Problems from workbook 7.4 7 Geometry 8 Geometry 7.5 Apply the Tangent Ratio Objective: (page 466) Use the tangent ratio Concepts Tangent Ratio Classroom Problems Use your calculator to find the following values (round 4 decimal places). 1) tan 30 2) tan 60 3) tan 45 4) tan 72 5) tan 50 6) tan 40 ***Problems from workbook 7.5 9 Geometry 10 Geometry 7.6 Apple the Sine and Cosine Ratios Objective: (page 473) Use sine and cosine ratios Concepts Sine Ratio Cosine Ratio Classroom Problems Use your calculator to find the following values (round 4 decimal places). 1) sin15 2) cos 20 3) cos 45 4) sin 45 5) cos 70 6) sin 20 7) cos 25 8) sin 65 ***Problems from workbook 7.6 Find sine and cosine of angle R and angle S. 11 Geometry 12 Geometry 7.7 Solve Right Triangles Objective: (page 483) Use inverse sine, tangent and cosine ratios Vocabulary Solve a right triangle Concepts Inverse Trigonometric Ratios Classroom Problems ***Problems from workbook 7.7 13 Geometry 14 Geometry 15