Understanding Angles in Isosceles Triangles

Explore the relationships between angles in isosceles triangles through practice examples and worked solutions. Learn to identify and calculate angles such as <BAC, <ABC, and <BCA using given measurements and properties of triangles.

• Geometry
• Isosceles triangles
• Angles
• Triangles
• Practice

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Uploaded on Oct 03, 2024 | 0 Views

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1. Angles in Isosceles Triangles (2) Angles in Isosceles Triangles (2) Silent Teacher Intelligent Practice Your Turn Narration A 80o Angle<BAC = Angle <ABC = Angle <BCA = Practice C B

2. Worked Example Your Turn A A 80o 80o C C B B Angle<BAC = Angle<BAC = Angle <ABC = Angle <ABC = Angle <BCA = Angle <BCA = @engmohamedosama

3. A A 1. 4. x = Angle <ABC = Angle<BAC = Angle <BCA = Angle<BAC = Angle <ABC = Angle <BCA = 70o 5xo 70o C C B B A A x = Angle<BAC = Angle <BCA = Angle <ABC = 5. 2. Angle <BCA = Angle<BAC = Angle <ABC = 2xo 70o 40o C C B A A B x = Angle <ABC = Angle <BCA = Angle<BAC = 6. 3. Angle<BAC = Angle <BCA = Angle <ABC = 2xo (x+20o) 70o C C B B @engmohamedosama

4. A A x = 14 Angle <ABC = 40o Angle<BAC = 70o Angle <BCA = 70o 1. 4. Angle<BAC = 70o Angle <ABC = 55o Angle <BCA = 55o 70o 5xo 70o C C B B A A x = 35 Angle <ABC = 70o Angle<BAC = 70o Angle <BCA = 40o 5. 2. Angle <BCA = 70o Angle<BAC = 70o Angle <ABC = 40o 2xo 70o 40o C C A B A B 6. x = 35 Angle <ABC = 55o Angle <BCA = 55o Angle<BAC = 70o 3. Angle<BAC = 70o Angle <BCA = 55o Angle <ABC = 55o 2xo (x+20o) 70o C C B B Not drawn to scale @engmohamedosama