Vocab Group 5: Right Triangles

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Last updated 12:00 PM on 8/5/26
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9 Terms

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Hypotenuse of a Right Triangle

the side of a right triangle opposite the right angle; always the longest side

<p>the side of a right triangle opposite the right angle; always the longest side</p>
2
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Leg of a Right Triangle

one of the two sides of the right triangle that form the right angle

<p>one of the two sides of the right triangle that form the right angle</p>
3
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Pythagorean theorem

a²+b²=c²

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Pythagorean triples

a set of three positive integers that satisfy the Pythagorean theorem (Ex: 3, 4, 5)

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Trigonometry

the branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.

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Angle of elevation

the angle formed by a horizontal line and the line of sight to an object above the horizontal line

<p>the angle formed by a horizontal line and the line of sight to an object above the horizontal line</p>
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Angle of depression

the angle between the line of sight and the horizontal when an observer looks downward

<p>the angle between the line of sight and the horizontal when an observer looks downward</p>
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Included angle

An angle created by two adjacent sides

<p>An angle created by two adjacent sides</p>
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Included side

the side between two angles

<p>the side between two angles</p>