# Triangle Inscribed in A Circle Calculator

**Introduction**

Calculating the properties of a triangle inscribed in a circle is a common task in geometry. To simplify this process, we present a convenient online calculator using HTML and JavaScript. This calculator will help you determine essential values of a triangle inscribed in a circle effortlessly.

**How to Use**

**Input Side Lengths**: Enter the side lengths of the triangle in the provided input fields.**Click Calculate**: Hit the “Calculate” button to trigger the JavaScript function that computes the results.**Review Results**: The calculated values, including angles and area, will be displayed within the form.

**Formula**

The calculation for a triangle inscribed in a circle involves various trigonometric functions. The most accurate formula for calculating the angles and area is as follows:

Where:

*a*and*b*are the side lengths of the triangle.*r*is the radius of the circumscribed circle.

**Example**

Consider a triangle with side lengths *a*=5, *b*=7, and a circumscribed circle of radius *r*=4.

**FAQs**

**Q: Can I use this calculator for any triangle inscribed in a circle?**

A: Yes, the calculator is designed to work with any triangle where you know the side lengths and the radius of the circumscribed circle.

**Q: What if I don’t know the radius of the circumscribed circle?**

A: You need to know the radius (*r*) to use this calculator. If it’s not given, you may need additional information to find it.

**Q: Are the results accurate?**

A: The results are accurate based on the provided side lengths and circumscribed circle radius. Ensure your input values are correct.

**Conclusion**

This calculator simplifies the calculation of a triangle inscribed in a circle, making it accessible to anyone. Understanding the angles and area of such a triangle is crucial in geometry, and this tool provides an efficient way to obtain accurate results.