Detailed description
Triangle ABC dash, AB = 9, AC dash = 7. Angle ABC dash = 45 degrees. Triangle ABC, AB = 9, AC = 7. Angle ABC = 45 degrees. Arc of circle centre A with radius AC = AC dash = 7.
Trigonometric functions and circular measures
Triangle ABC dash, AB = 9, AC dash = 7. Angle ABC dash = 45 degrees. Triangle ABC, AB = 9, AC = 7. Angle ABC = 45 degrees. Arc of circle centre A with radius AC = AC dash = 7.