Angle Types
Create an acute angle with your arms.
Arms are less than 90 degrees
These angles add up to 180 degrees.
Supplementary angles
If two angles are vertical, what do they have in common?
A vertex and the measure of the angle.
What do all the interior angles of a triangle add up to?
180 degrees
What are three different types of triangles?
Possible answers: Right, Obtuse, Acute, Isosceles, Equilateral, Scalene
Create an obtuse angle with your arms.
Your arms should be greater than 90 degrees.
These angles add up to 90 degrees.
Complementary angles
If angles are adjacent, what do they have in common?
A vertex, a side, and they are next to each other.
What do all the interior angles in a quadrilateral add up to?
360 degrees.
Name four different types of quadrilaterals
Possible Answers: square, rectangle, trapazoid, parallelagram, rhombus, diamond, kite
What type of angle is a 175 degree angle?
Obtuse
What is the COMPLEMENT to a 33 degree angle?
57 degree angle
If A and B are a vertical angle pair, and angle A measures 50 degrees, what does angle B measure?
50 degrees.
Can a triangle be made with 10, 115, and 55 degree angles?
Yes.
What is 20 percent of 120?
24
What type of angle is a 45 degree angle?
Acute
What is the SUPPLEMENT to a 65 degree angle?
115 degree angle.
If X and Y are an adjacent angle pair and that pair is also SUPPLEMENTARY, what is angle Y if angle X is 100 degrees?
80 degrees.
Can a quadrilateral be made with 90, 125, 85, and 50 degree angles?
No.
14 is 70 percent of what number?
20
Vertex and rays
What is another name for a supplementary angle pair?
If D and E are adjacent angles and also a COMPLEMENTARY pair, what is the measure of D if angle E is 40 degrees?
50 degrees.
Can a triangle with the side lengths of 2.5 cm, 3 cm, and 1.5 cm?
Yes
What are three ways to describe the SHAPE of a histogram and box plot?
Possible answers: uniform, skewed left, skewed right, number of peaks, symmetrical