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Terms 1
Terms 2
Theorems
Problems
100
Ratio of the lengths of two sides of a right triangle
What is trigonometric ratio?
100
An angle that is always congruent to the angle of depression
What is angle of elevation?
100
In a right triangle, this is a segment whose length is the geometric mean of the lengths of the two segments of the hypotenuse
What is an altitude?
100
The value of x in the proportion 3/x = x/27
What is 9?
200
Ratio of the length of an adjacent leg to the length of the hypotenuse
What is cosine?
200
The steepness of a road is often expressed as this number
What is percent grade?
200
These two trigonometric ratios can be determined if you know the lengths of the hypotenuse and one of the legs
What is sin and cosine?
200
The geometric mean of 4 and 6
What is 2 √6?
300
Angle formed by a horizontal line and a line of sight to a point below the line
What is angle of depression?
300
A process in which given measures of a triangle are used to find the unknown angle measures and side lengths
What is solving a triangle?
300
The altitude to the hypotenuse of a right triangle forms these two figures
What is similar triangles?
300
The exact value of the cosine of 45°
What is √2/2?
400
Positive square root of the product of two positive numbers
What is geometric mean?
400
If you know the hypotenuse of a right triangle, then you will also need to know this segment in order to determine the sine of an angle
What is opposite leg?
400
In a right triangle, the length of this segment is the geometric mean of the hypotenuse and the segment of the hypotenuse adjacent to this segment
What is a leg?
400
The sin-1 (1/2)
What is 30°?
500
If you know the sine of an angle, you can use this operation to find the angle's measure
What is inverse sine?
500
These two triangle segments are needed to find the tangent of an angle
What is opposite leg and adjacent leg?
500
If tan A = x, then tan-1 x equals this quantity
What is measure of angle A?
500
The tangent of the smallest angle of a right triangle with legs of 3 and 4
What is 3/4?