Naming Angles
This angle is less than a right angle
What is an acute angle
The unit angles are measured in
What are degrees
The sum of the interior angles add up to this
What is 180°
The sum of the angles in a quadrilateral equals this
What is 360°
60o, 60o and 70o
No, do these interior angles add up to 190o?
This angle is greater than a straight angle
What is a reflex angle
This is used to measure angles
What is a protractor
Find the measure of the missing angle 75°, 50°
What is 55°
Find the measure of the missing angle 90°, 90°, 90°
What is 90°
30o, 60o and 90o
Yes! Do these interior angles add up to 180o?
This angle is greater than a right angle, but less than a straight angle
What is an obtuse angle
the degree you start at when measuring an angle
What is 0°
Find the measure of the missing angle 70°, 40°
What is 70°
Find the measure of the missing angle 90°, 102°, 46°
What is 122°
43o, 29o and 103o
No; do these interior angles add up to 175o?
A square has four of these at its vertices
What is a right angle
A protractor has this many scales
What is 2? Is there one scale that goes clockwise and another scale that goes anticlockwise?
Find the measure of the missing angle 55°, 105°
What is 20°
Find the measure of the missing angle 125°, 55°, 55°
What is 125°
50.4o, 39.6o and 90o
Yes, do these interior angles add up to 180o?
Fill in the blank.
An angle has 2 arms and 1 ________.
What is a vertex
Can you think of an acute angle that is the same as 370o?
hint: your protractor goes up to 360o, but what happens if you continue rotating?
What is 10o?
Find the measure of the missing angle 25°, 125°
What is 30°
Find the measure of the missing angle 34°, 120°, 86°
What is 120°
14.00o, 62.81o and 103.16o
No, do these interior angles add up to 179.97o?