Module 1

The function y=cosx is represent in which graph?

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Select the correct answers:

A complet revolution is:

• $\pi$ radians

• 180°

• 2 $\pi$ radians

• 360°

What type of angle is this?

• acute

• obtuse

• right

• straight

What type of angle is the one which mesure is between 90° and 180°?

• acute

• obtuse

• right

• straight

Two angles that when added up, the result is 360° are..

• Complementary angles

• Supplementary angles

• conjugate angles

• adjacent angles

What is the result od the addition of two supplementary angles?

• 90°

• 180°

• 360°

the addition of all the angles of the triangle is:

What type of triangle is this?

• Right triangle

• acute triangle

• obtuse triangle

Find the value of the angle AOB:

• 63°

• 180°
  

• 90°

• 117°

Find the circumference of a circle which radius is 8 m.

• 12.56 m

• 12.56 m²

• 25.12 m

• 25.12 m²