Exploring Angles

If angle 6 is 120 degrees, what is the measure of the same-side interior angle?

• 60 degrees

• 150 degrees

• 90 degrees

• 30 degrees

Solve for the unknown angle x if angle 7 is 2x + 10 degrees and angle 8 is 70 degrees, where angle 7 and angle 8 are corresponding angles.

• 90

• 20

• 30

• 50

Calculate the sum of the interior angles of a triangle.

• 120 degrees

• 360 degrees

• 90 degrees

• 180 degrees

What type of angle measures exactly 90 degrees?

• Straight angle

• Obtuse angle

• Acute angle

• Right angle

What type of angle measures less than 90 degrees?

• Right angle

• Obtuse angle

• Straight angle

• Acute angle

How do you measure an angle using a protractor?

• Draw a line and use a ruler to find the angle.

• Estimate the angle by eye without a protractor.

• Measure the angle in degrees using a protractor.

• Measure the angle in radians using a protractor.

How many degrees are in a straight angle?

• 90 degrees

• 360 degrees

• 45 degrees

• 180 degrees

Calculate the sum of the interior angles of a quadrilateral.

• 360 degrees

• 270 degrees

• 90 degrees

• 180 degrees

Draw an angle that measures 120 degrees.

• An angle that measures 180 degrees.

• An angle that measures 45 degrees.

• An angle that measures 120 degrees.

• An angle that measures 90 degrees.