TecniCalc

Engineering calculators - find the unknown automatically

Home | Electronics | Mechanics | Calculators | PT | EN

Profile:

Areas

Home
Electronics
Mechanics
Calculators
Premium
Profile

Essentials

Ohm
Power
Voltage divider
Kirchhoff
Unit converter
See all

Simulators & Tools

Structural simulator
Circuit simulator
Structures
Math tools

Themes

Triangle calculator

Enter the three sides to get angles, area, perimeter, heights, and classification.

a (BC) b (AC) c (AB)

Approximate triangle view.

© 2025 Tecnicalc. Calculadoras para Engenharia.

Desenvolvido por Eduardo Gomes Nascimento

Estudante Técnico em Eletrônica - Fundação Liberato | Portão, RS

LinkedIn | GitHub | Instagram | Contato

Apoie o projeto

Se o TecniCalc te ajuda, uma contribuição via Pix mantém o projeto ativo e evoluindo.

Chave pronta para cópia.

Unlock the Premium Engineering Suite

✅ Full access to Fresnel, JFET, and BJT charts.
✅ Loop calculator for fast iterations.
✅ High-resolution downloads (PNG).
✅ No ads.
✅ R$ 9.90 / month or R$ 79.90 / year.

Plan

Confirmation

Pix QR

Pix confirmations can take a few minutes on Mercado Pago.