Triangle Calculator

3.1
208 reviews
100K+
Downloads
Content rating
Everyone
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About this app

By trigonometry, lengths and angles are calculated for a right angled triangle when only two values are known (at least one must be a length). The triangle's area and perimeter are also calculated.
A proportionally correct triangle is drawn after the calculations.
The triangle can be rotated and mirrored.
The number of decimals for lengths, angles and area can be specified.
Possibility to reuse and edit the last specified values after clearing.
Possibility to change the color theme on backgrounds.
Updated on
Sep 3, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Ratings and reviews

2.8
204 reviews
A Google user
December 2, 2018
Brilliant! Love that the triangle changes shape and you can rotate it, perfect for visualising what you are applying the trig to. Only gripe is that you cannot just change values after entering them, you have to re enter all the values, which is a pain when you are using the app in certain circumstances.
9 people found this review helpful
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Go99s
December 12, 2021
I can hardly believe how often I use this app! Super simple to use with a clear user interface.
5 people found this review helpful
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Nirjar Patel
October 30, 2023
Good app. Good interface. Good precision.
2 people found this review helpful
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What's new

v1.5.3 (September 4, 2023)
- Another link in the description section
v1.5.2 (August 23, 2023)
- Increased level of API targeting