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Formula
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| First Angle | 10° |
|---|---|
| Second Angle | 20° |
| Third Angle | 150° |
| Sum of Angles | 180° |
Triangle Calculator
Calculate equilateral triangle dimensions with this easy-to-use equilateral triangle calculator. Input one value to instantly determine side length, height, area, and perimeter.
Calculate the surface area of a triangular prism with this triangular prism surface area calculator. Input triangle base, height, and prism length for accurate results. Simplify geometry calculations instantly.
Calculate arc length accurately with this easy-to-use arc length calculator. Input radius and angle to determine the curved distance along a circle's circumference. Perfect for geometry problems and real-world applications.
Calculate cone slant height easily with height and radius inputs. Accurate results for geometry problems and 3D modeling. Fast, free, and user-friendly tool for students and professionals.
Use this online stopwatch to measure time intervals precisely. Start, stop, and reset with ease.
Free online countdown timer. Set hours, minutes, and seconds to count down easily. Simple, fast, and useful for work, study, or daily tasks.
Simple online counter tool. Increase, decrease, or reset numbers instantly. Set custom step values and limits with ease.