Trigonometry

Triangle area from two sides and angle

Triangle area from two sides and angle is a trigonometric quantity relating angles to side ratios or circle coordinates.

FreeOnlineNo sign-up
S = ab sin C / 2

What it means

Triangle area from two sides and angle is a trigonometric quantity relating angles to side ratios or circle coordinates.

How it works and where it is used

Use this calculation for surveying and calculating unknown triangle sides and angles.