# Triangle Help

> Calculates missing triangle sides and angles, showing formulas used. (iPhone/iPad app by Robert Winkelman.)

- Source: https://appshunter.io/ios/app/triangle-help/id1141452575 (this page in markdown: same URL + `.md`)
- Developer: [Robert Winkelman](https://appshunter.io/developer/1132997141)
- Category: Utilities, Education
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.3 · 10 MB
- Languages: English
- Released: 2016-09-04
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/triangle-help/id1141452575/reviews.md

## What is Triangle Help?

Triangle Solver!
FEATURES INCLUDE
- Presents the formulae it uses
- Accepts angles in degrees OR radians
- Reports answers to many decimal places
- BIG TEXT

To toggle between degrees and radians simply tap the blue angle unit symbol.

Given three measures of sides or angles of a triangle (including at least one side) this app can find and report the rest.
This app "solves" triangles.

This app's most special feature is that it reports the formulae it uses so you can learn how to solve triangles yourself.

The number of decimal places is determined by the width of your screen.
If it's too few, turn your device horizontal!


Each side is across from the angle of the same letter.
Sides are lowercase, angles are uppercase and denoted with the angle symbol (∠).


This app may be good for engineers or Trigonometry students.

## Key features

- Solves for missing triangle sides and angles
- Displays formulas used for learning
- Accepts angles in degrees or radians
- Adjustable decimal precision
- Large text display

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/triangle-help/id1141452575/reviews.md

### 1/5 — Triangle solver?

*2017-01-01*

A total waste of time. Which angle? What side? Take a guess? 
1 star as the system demands it!

## Frequently asked questions about Triangle Help

### What kind of triangles can Triangle Help solve?

Triangle Help can solve any triangle given three measures, including at least one side. This covers various combinations of sides and angles.

### Does Triangle Help show how it calculates the answers?

Yes, a key feature of Triangle Help is that it presents the specific formulas it uses for each calculation, allowing users to learn the process.

### Can I input angles in both degrees and radians?

Absolutely. Triangle Help allows you to easily toggle between degrees and radians for angle input by tapping the blue angle unit symbol.

### How does Triangle Help handle the precision of the answers?

The number of decimal places displayed by Triangle Help is determined by your device's screen width. For more precision, you can turn your device horizontally.

### Is Triangle Help suitable for beginners?

While it's useful for students and professionals, the app's feature of showing formulas can also benefit beginners learning trigonometry.

### What devices is Triangle Help available on?

Triangle Help is available on iPhone, iPad, and iPod devices.

### Does Triangle Help have ads?

No, Triangle Help does not contain advertisements.

### When was Triangle Help last updated?

Triangle Help was last updated on September 4, 2016, with version 1.0.

## Version history (last 1 release)

### 1.0 — 2016-09-04

This app has been updated by Apple to display the Apple Watch app icon.

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## More apps by Robert Winkelman

- [Square Feet Calculator Utility](https://appshunter.io/ios/app/square-feet-calculator-utility/id1132997142)
- [Algebra Tool](https://appshunter.io/ios/app/algebra-tool/id1489533838)

All apps by Robert Winkelman: https://appshunter.io/developer/1132997141

## Related topics

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*