Module 1-Math 2

Calculate the number of radians the minute hand rotates in 6 hours.
Consider that an hour is a whole turn, that is, a revolution.

• 12𝛑

• 6𝛑

• 6

• 12

Select the complementary angle of an 70° angle.

• 20°

• 110°

• 290°

• 30°

Select the supplementary angle of an 25° angle.

• 155

• 65

• 335

• 25°

Convert -11𝛑/4 rad to degrees.

• -495°

• 495°

• -495𝛑°

• 60°

Two parallel lines are intersected by a transverse line, as shown in the following image.
Find the value of angle 6, if ∢4 = 136°.

• 136°

• 44°

• 144°

• 46°

Select the reference angle of 35𝛑/9

• 𝛑/9

• -𝛑/9

• 17𝛑/9

• 8𝛑/9

Select the reference angle of 5𝛑/6

• 𝛑/6

• 5𝛑/6

• -𝛑/6

• 7𝛑/6

Select the coterminal angle of 810°

• 90°

• 630°

• 180°

• 900°

A chair form the following angles, if one of them measures 128°, how long is angle x?

• 60

• 120

• 70

• 90

Look at the figure below, which is the obtuse angle?

• A

• B

• C

• D