Right Triangle

A right triangle is a triangle with one right angle (one angle equal to 90°).

Right Triangle

The side opposite the right angle (the longest side) is called the hypotenuse.

The remaining two sides (the sides that intersect to determine the right angle) are called the legs of the right triangle.

Right Triangle (hypotenuse labelled)

Once a reference angle (other than the right angle) has been chosen, one of the legs of the triangle can be referred to as being opposite the reference angle, while the other can be referred to as being adjacent to the reference angle.

Right Triangle (labelled by chosen reference angle)

Sometimes it is required to solve a right triangle to find unknown lengths of sides or unknown measures of angles.

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Instructions text as in global.js

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