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Triangle

Trigonometry Calculators

Overview:

Trigonometry Trigonometry is a branch of mathematics that studies the relationships between the angles and sides of triangles. The primary focus is on right-angled triangles with one angle of 90°. However, trigonometry also extends to non-right-angled triangles. It involves trigonometric functions like sine, cosine, and tangent, which relate the angle of a triangle to the ratios of its sides. These functions are fundamental for solving problems involving angles and distances and have wide applications in fields such as physics, engineering, and astronomy. Trigonometry also includes various identities and equations that help simplify and solve complex mathematical problems related to angles and triangles. In engineering, trigonometry is crucial in designing structures, analyzing forces, and studying oscillations.

Calculator for Side Lengths and Angles of a Right Angle Triangle

Description:

A right triangle has one internal angle measuring exactly 90 degrees. The side opposite this angle is the hypotenuse, the longest side of the triangle.

Instructions:

  1. Enter two values in available calculator fields, must specify at least one side length.
  2. Choose the units you would like to use default value is meters (m).
  3. Choose how many decimal places you wish answer to round to, the default value is one.
  4. Press solve button to find remaining unknown values.
  5. To perform a new calculation or you wish to clear current values use the reset button to clear values and start again.
  6. The formulas used for each calculator can be viewed by expanding the 'Click to Show Formula' section below.
model of a right angle triangle

If side length (a) equals

side length (b) equals

side length (c) equals

angle (A) equals (°)

angle (B) equals (°)

and angle (C) equals 90°

requirements not met -
Enter two values in the available fields. Must specify at least one side length.

Require area of a right angle triangle? CALCULATE AREA HERE

Require different units not displayed?
CONVERT VARIOUS UNITS HERE

Click to Show Formula
image of used formula
(a)% of (b) is (c)

Calculator for Side Lengths and Angles of a Oblique Angle Triangle

Description:

An oblique triangle is any triangle that does not contain a right angle. Oblique triangles can be further categorized into two types: acute triangles where all angles are less than 90 degrees and obtuse triangles where one angle is greater than 90 degrees and remaining are less than 90 degrees.

Instructions:

  1. Enter three values in available calculator fields, must specify at least one side length.
  2. Choose the units you would like to use default value is meters (m).
  3. Choose how many decimal places you wish answer to round to, the default value is one.
  4. Press solve button to find remaining unknown values.
  5. To perform a new calculation or you wish to clear current values use the reset button to clear values and start again.
  6. The formulas used for each calculator can be viewed by expanding the 'Click to Show Formula' section below.
model of a obtuse angle triangle

If side length (a) equals

side length (b) equals

side length (c) equals

angle (A) equals (°)

angle (B) equals (°)

angle (C) equals (°)

requirements not met -
Enter three values in the available fields. Must specify at least one side length.

Require area of a obtuse angle triangle? (an example of oblique triangle) CALCULATE AREA HERE

Require different units not displayed?
CONVERT VARIOUS UNITS HERE

Click to Show Formula
image of used formula