Solving triangles

Geometry & measurement・Advanced

Find sides, angles and areas of triangles with the laws of sines and cosines.

Choose what to practice.

• Trigonometric ratiosComing soonLearn definitions of sine, cosine, and tangent ratios.Japanese school year: Math I
• Law of sinesComing soonApply the Law of Sines to find sides, angles, and radii.Japanese school year: Math I
• Law of cosinesComing soonApply the Law of Cosines to solve oblique triangles.Japanese school year: Math I
• Area of a triangleComing soonCalculate triangle area using trigonometric formulas.Japanese school year: Math I