Finding complementary and supplementary angles using radians

What is the sum of two complementary angles in radians?

• π/4 radians

• 2π radians

• π/2 radians

• π radians

If an angle is π/4 radians, what is its complementary angle?

• π/4 radians

• π/3 radians

• π/6 radians

• π/2 radians

What common mistake do students make when finding complementary angles in radians?

• Adding instead of subtracting

• Not finding a common denominator

• Forgetting to subtract the angle

• Using degrees instead of radians

What is the sum of two supplementary angles in radians?

• 2π radians

• π radians

• π/4 radians

• π/2 radians

If an angle is π/4 radians, what is its supplementary angle?

• π radians

• 5π/4 radians

• 3π/4 radians

• π/2 radians