Unit 10

Question 1

If you know the lengths of two sides and the measure of _____ angle(s) of a right triangle, you can find the measure of the other two angles and the length of the other side.

Answer 1

one

Question 2

If you know the length of all three sides of a right triangle, you can find the measure of each of the three _____.

Answer 2

angles

Question 3

The branch of mathematics that deals with the relationships between sides and angles of triangles is called _____.

Answer 3

trigonometry

Question 4

A _____ is a unit of angular measure equal to the length of the arc divided by the radius of the arc.

Answer 4

radian

Question 5

The terminal side of an angle is the ray of the angle in standard position that does not lie on the _____.

Answer 5

x-axis

Question 6

Angle of _____ is the angle formed by a horizontal line and line of sight to a point above the horizon.

Answer 6

elevation

Question 7

If you know the measure of two _____ and the length of one side of a right triangle, you can find the measure of the other angle and the length of the other two sides.

Answer 7

angles

Question 8

_____ ratios are the ratios of the lengths of the two sides of a right triangle.

Answer 8

Trigonometric

Question 9

The process of calculating unknown side lengths or angle measures of a triangle if certain of the side lengths and/or angle measures are known is known as solving a _____.

Answer 9

triangle

Question 10

The positive _____ angle formed by the terminal side of an angle in standard position and the x-axis is called a reference angle.

Answer 10

acute