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Right triangle - Wikipedia
A right triangle (American English) or right-angled triangle (), or more formally an orthogonal triangle (Ancient Greek: ὀρθόςγωνία, lit. 'upright angle'), is a triangle in which one angle is a right angle (that is, a 90-degree angle). The relation between the sides and angles of the right angled is the basis for trigonometry.. The side opposite to the right angle is called the ...

Right Triangles, Hypotenuse, Pythagorean Theorem Examples ...
The hypotenuse is the largest side in a right triangle and is always opposite the right angle. (Only right triangles have a hypotenuse).The other two sides of the triangle, AC and CB are referred to as the 'legs'.

Right-Angled Triangles
A right-angled triangle (also called a right triangle) is a triangle with a right angle (90°) in it. The little square in the corner tells us it is a right angled triangle (I also put 90°, but you don't need to!) The right angled triangle is one of the most useful shapes in all of mathematics! ...

Special right triangle - Wikipedia
A special right triangle is a right triangle with some regular feature that makes calculations on the triangle easier, or for which simple formulas exist. For example, a right triangle may have angles that form simple relationships, such as 45°–45°–90°. This is called an "angle-based" right triangle. A "side-based" right triangle is one in which the lengths of the sides form ratios of ...

The isosceles right triangle. Topics in trigonometry
Solve the isosceles right triangle whose side is 6.5 cm. Answer. To solve a triangle means to know all three sides and all three angles. Since this is an isosceles right triangle, the only problem is to find the unknown hypotenuse. But in every isosceles right triangle, the sides are in the ratio 1 : 1 : , as shown on the right. In the triangle ...

Identify Right Triangle - Math Worksheets 4 Kids
right triangle not a right triangle 7 in 9 in W U V 11 in 4) not a right triangle right triangle 9 ft 12 ft M N L t 5) In triangle XYZ, the sides XY, YZ and XZ measure 12 ft, 16 ft and 20 ft respectively. XYZ is a right triangle. PQR is a right triangle. XY! = 144 ft, YZ! = 256 ft, XZ! = 400 ft XY! + YZ! = XZ! PQ! + QR! = PR!

Right Triangle Calculator
Right triangle. A right triangle is a type of triangle that has one angle that measures 90°. Right triangles, and the relationships between their sides and angles, are the basis of trigonometry. In a right triangle, the side that is opposite of the 90° angle is the longest side of the triangle, and is called the hypotenuse.

Right triangle side lengths (practice) | Khan Academy
Use the Pythagorean theorem to determine if the given side lengths could form a right triangle. Use the Pythagorean theorem to determine if the given side lengths could form a right triangle. If you're seeing this message, it means we're having trouble loading external resources on our website.

Right Triangle Calculator and Solver
In the above right triangle the sides that make and angle of 90° are a and b, and h is the hypotenuse. These calculators may be used to check your answers to questions that you have solved analytically. Formulas Used in the Different Calculators The Pythagorean theorem used in the above triangle gives a 2 + b 2 = h 2. a = √ (h 2 - b 2) b ...

Relations and sizes - Right triangle facts - In Depth
A right triangle can also be an isosceles triangle--which means that it has two sides that are equal. A right isosceles triangle has a 90-degree angle and two 45-degree angles. This is the only right triangle that is an isosceles triangle. This version of the right triangle is so popular that plastic models of them are manufactured and used by ...

 

 

 

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