Apply the Law of Sines to solve any triangle. Find missing sides or angles given sufficient information.
Apply the Law of Sines to solve any triangle. Find missing sides or angles given sufficient information.
Length of side a.
Angle opposite side a in degrees.
Length of side b (if known).
Angle B in degrees (if known).
The Law of Sines states that the ratio of a side length to the sine of its opposite angle is constant for all three sides and angles of a triangle.
How this calculator works
The Law of Sines states that the ratio of a side length to the sine of its opposite angle is constant for all three sides and angles of a triangle.
Common questions about this calculator
