Circles
The center
Two lines that will never intersect are called _________ __________.
Parallel Lines
An angle less than 90 degrees is called an _______ angle.
Acute
What is the sum of all 3 interior angles of any triangle?
180 degrees
A slide is also called a __________
Translation
The perimeter of a circle is called the ______________.
Circumference
Two lines that intersect and make right angles are called ___________ ________.
Perpendicular lines
An angle that equals 90 degrees is called a _________ angle.
Right
What is the name of a triangle with one angle that measures more than 90 degrees?
Obtuse triangle
A flip is also called a __________.
Reflection
If the diameter of a circle is 16 meters, how long is the radius?
8 meters
A part of a line that has two end points is called a _______ ____________.
Line Segment
An angle that measures more than 90 degrees is called an ___________ angle.
Obtuse
What is the name of a triangle with two congruent sides?
Isosceles Triangle
A turn is also called a ___________
Rotation
chord
A specific location on a plane is called a _______.
point
An angle that measures 180 degrees is called a _________ angle.
Straight
What is the name of a triangle with no congruent sides.
Scalene Triangle
A six-sided polygon is called a ________.
hexagon
Calculate the circumference:
radius = 4 inches
8 x 3.14 = 25.12
A line that extends from left to right is a called (horizontal or vertical) line?
horizontal
Draw a 50 degree angle on a piece of paper.
(check with protractor)
If two interior angles of a triangle equal 40 degrees and 70 degrees, what is the measure of the third angle?
70 degrees
A quadrilateral with only 1 set of parallel sides is called a ___________.
Trapezoid