Exploring Adding and Subtracting Rational Expressions

This video tutorial covers the concepts of complementary and supplementary angles. It begins by defining these angles and provides examples to illustrate how to identify them. The tutorial then moves on to classifying angle pairs as complementary, supplementary, or neither. It includes exercises on solving for missing angle measures using algebra, and concludes with more advanced algebraic problems involving angles.

What is the sum of measures of complementary angles?

• 180 degrees

• 90 degrees

• 360 degrees

• 45 degrees

Can complementary angles be non-adjacent?

• Yes, always

• No, never

• Yes, sometimes

• No information provided

What is the sum of measures of supplementary angles?

• 45 degrees

• 90 degrees

• 180 degrees

• 360 degrees

Which angles are complementary if they form a right angle?

• Angles 1 and 6

• Angles 3 and 4

• Angles 1 and 2

• Angles 9 and 10

What is the measure of an angle that is supplementary to a 142-degree angle?

• 38 degrees

• 42 degrees

• 142 degrees

• 48 degrees

If x + 71 = 90, what is the value of x?

• 19 degrees

• 161 degrees

• 71 degrees

• 90 degrees

In a complementary angle scenario, if one angle is 26 degrees, what is the measure of the other angle?

• 27 degrees

• 116 degrees

• 154 degrees

• 64 degrees

If 7x + 2 + 4x = 90, what is the value of x?

• 10

• 12

• 14

• 8

What is the value of y when 7y + 55 = 90?

• 6

• 5

• 4

• 3

If two angles make a straight angle and their measures are expressed as 3x + 16 and 8x - 1, what is the value of x?

• 17

• 15

• 14

• 12