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Pythagorean Triple

a group of three whole numbers that satisfies the equation a2 +b2 = c2

geometric mean

the square root of the product of the extremes or means

Angles of depression

the angle between the line of sight and the horizontal when the observer looks down

angle of Elevations

the angle between the line of sight and the horizontal when the observer looks up

sine (n.)

a trigonometric ratio: opposite/hypotenuse

cosine (n.)

a trigonometric ratio: adjacent/hypotenuse

tangent (n.)

a trigonometric ratio: opposite/adjacent

complement (n.)

angle that adds up to 90 degrees when paired with another angle

function (n.)

the action or actions that an item is designed to perform

ratio (n.)

a relationship between two amounts represented with numbers

adjacent (adj.)

next to or adjoining something else

hypotenuse (n.)

in a right triangle, the side opposite the right angle

opposite (adj.)

the other side of a specific area

theta angle (n.)

an angle between 0 and 90 degrees