Vocabulary
What is"a location in space/a dot on a piece of paper" called?
POINT
What type of angle is less than 90 degrees?
Acute Angle
What is a triangle with no equal sides?
Scalene triangle
What do we call an angle that measures 90 degrees?
A right angle.
What is Mr. Callanan's favorite animal?
Wolf
What are "segments that intersect (cross) at an angle of 90°" called?
Perpendicular Lines
What type of angle is greater than 90 degrees?
An obtuse angle.
What is a triangle?
A 3 sided shape with a sum of 180o.
What is a plane
A flat 2-d surface that extends infinitely.
SUPER FUN TIME???
ALL DAY EVERYDAY!!!
A series of points extending infinitely in both directions is called what?
A Line
An angle is formed when these two things meet. What are they called?
Rays.
A triangle with a 90o angle?
Right triangle
What is an acute angle?
An angle >90o
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Parallel to
Two angles that share the same vertex is called what?
Adjacent angles
A right angle is divided in half. How many degrees is each of the smaller angles?
45 degrees
What is an Equilateral Triangle?
A triangle with all equal sides and angles.
What is the shared point of an angle's ray?
Vertex.
~
Is similar to
How do you define parallel lines?
Lines that never intersect and are always an equal distance apart.
What does a protractor do?
allows us to measure angles
What is the hypotenuse of a triangle?
The side of a right triangle opposite the right angle.
A line or segment that splits another segment into two congruent parts is called what?
Segment bisector
What is a vertex?
A corner of a polygon or a point where lines meet.