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Let us discuss, the properties carried by a right-angle triangle. One angle is always 90° or right angle. The side opposite angle of 90° is the hypotenuse. The hypotenuse is always the longest side. The sum of the other two interior angles is equal to 90°. The other two sides adjacent to the right angle are called base and perpendicular.
The first part of this video will explain the difference between the hypotenuse, adjacent and opposite sides of a right triangle. Then it shows how to use the sine formula (the SOH formula). Sine = Opposite over the Hypotenuse
A triangle in which one of the interior angles is 90° is called a right triangle. The longest side of the right triangle, which is also the side opposite the right angle, is the hypotenuse and the two arms of the right angle are the height and the base. Here’s what a right triangle looks like:
A right triangle or right-angled triangle, sometimes called an orthogonal triangle or rectangular triangle, is a triangle in which two sides are perpendicular, forming a right angle (1 ⁄ 4 turn or 90 degrees). The side opposite to the right angle is called the hypotenuse (side in the figure).
Let us learn more about the properties of a right angled triangle, the parts of a right angled triangle along with some right triangle examples in this article. What is a Right Triangle? A right triangle is a triangle in which one angle is 90°.
In the triangle above, the hypotenuse is the side AB which is opposite the right angle, ∠C ∠ C. Online tool calculates the hypotenuse (or a leg) using the Pythagorean theorem. (Also draws a free downloadable picture of your right Triangle!).
Step 1 Find which two sides we know – out of Opposite, Adjacent and Hypotenuse. Step 2 Use SOHCAHTOA to decide which one of Sine, Cosine or Tangent to use in this question. Step 3 For Sine calculate Opposite/Hypotenuse, for Cosine calculate Adjacent/Hypotenuse or for Tangent calculate Opposite/Adjacent.
