Random
How many sides does a triangle have?
3
What is a quadrilateral?
any closed shape that has 4 sides
Lines that never meet/cross
parallel lines
Angles less than 90 degrees
Acute
equilateral triangle
Show me an acute angle (with your arms)
small angle
Name of a quadrilateral with 1 pair of parallel sides
trapezoid
Lines that meet and make a 90 degree (square) corner
Perpendicular
Angles that are 90 degrees (square corner)
Right
name of triangle that has NO equal sides (name based on sides)
Scalene
Show me an obtuse angle with your arms
big angle
name of quad. with 2 pairs of parallel sides
parallelogram
Lines that meet but do not make 90 degree angles
Intersecting
Angles that are greater than 90 degrees
Obtuse
name of triangle that has 2 equal sides (name based on sides)
Isoceles
Show me a right angle with your arms
name of quad with 4 right angles (but sides are NOT all equal)
Rectangle
Railroad tracks are an example of
a. parallel lines
b. perpendicular lines
c. intersecting lines
a. parallel lines
An angle that is 210 degrees is an...
a. acute angle
b. right angle
c. obtuse angle
c. obtuse angle
What are the 3 names of triangles based on ANGLES?
1. right triangle
2. acute triangle
3.obtuse triangle
Give me an example of a quadrilateral that you see in this room
Ex: the door (rectangle), desk (rectangle)
name of quad. with ALL equal (congruent) sides and 4 right angles
sqaure
An X shape is an example of (hint: no right angles)
a. parallel lines
b. perpendicular lines
c. intersecting lines
c. intersecting lines
An angle that is 20 degrees is an...
a. acute angle
b. right angle
c. obtuse angle
a. acute angle
T or F: All the angles in a triangle must equal 180 degrees
TRUE