TriCalc – Triangle Solver

Enter any combination of sides and angles, and Triangle Calculator instantly solves the missing values, draws the triangle, and shows you the full results.

FEATURES · Auto-solve from any valid input — sides (a, b, c) and angles (A, B, C) · Calculates area, perimeter, and triangle classification (acute / right / obtuse, equilateral / isosceles / scalene) · Supports multiple solving methods: Law of Cosines (SSS, SAS), Law of Sines (SSA, AAS/ASA) · Detects and handles the ambiguous SSA case · Real-time triangle visualization

PREMIUM (one-time purchase) · Unlimited save & history — revisit any triangle anytime · Ad-free experience · Step-by-step solution with formulas

Whether you're studying trigonometry, working on a construction project, doing land surveying, or building a game, Triangle Calculator gives you fast and accurate results.