What's your angle?
How do you measure yourself with other triangles?
TRI your best!
Quadrilateral
Adjacent Angles
100
This type of angle measures less than 90 degrees.
What is acute?
100
This is the measure of one missing angle in a triangle with known angles of 50 and 60 degrees.
What is 70 degrees?
100

This is a triangle with ALL acute angles.

What is an acute triangle?

100

What do all the angles of quadrilateral equal?

360

100

The total of 2 adjacent angles is 120 degrees.  If angle 1 is 90 degrees, what is the measurement of angle 2?

30 degrees

200
This is the complement to an angle measuring 45 degrees.
What is 45 degrees?
200
This is the measure of one missing angle in a triangle with known angles of 30 and 20 degrees.
What is 130 degrees?
200
This type of triangle has all sides the same length.
What is an equilateral triangle?
200

Three angles of a quadrilateral equal 280.  What does the 4th angle equal?

80 degrees

200

The total of 2 adjacent angles is 190 degrees.  If angle 1 is 90 degrees, what is the measurement of angle 2?

100 degrees

300
This type of angle measures exactly 180 degrees.
What is straight?
300
This is the measure of one missing angle in a triangle with known angles of 120 and 25 degrees.
What is 35 degrees?
300

This type of triangle has one obtuse angle and no sides congruent.

What is an obtuse scalene triangle?

300

Three angles of a quadrilateral equal 115.  What does the 4th angle equal?

245 degrees

300

The total of 2 adjacent angles is 97 degrees.  If angle 1 is 21 degrees, what is the measurement of angle 2?

78 degrees

400
Two angles from similar polygons having the SAME degree measure are known as this.
What is congruent?
400
This is the measure of one missing angle in a triangle with known angles of 55 and 55 degrees.
What is 70 degrees?
400

This type of triangle has 2 sides congruent and a right angle.

What is a right isosceles triangle?

400

Three angles of a quadrilateral equal 345.  What does the 4th angle equal?

15 degrees

400

The total of 2 adjacent angles is 118 degrees.  If angle 1 is 29 degrees, what is the measurement of angle 2?

89 degrees
500
This is the supplement to an angle measuring 37 degrees.
What is 143 degrees?
500
This is the measure of one missing angle in a triangle with known angles of 57 and 26 degrees.
What is 97 degrees?
500

These types of angle are across from each other when two lines intersect. They are congruent.

What is vertical angles?

500

Three angles of a quadrilateral equal 223.  What does the 4th angle equal?

137 degrees

500

The total of 2 adjacent angles is 172 degrees.  If angle 1 is 83 degrees, what is the measurement of angle 2?

89
M
e
n
u