Lines
two lines that are the same distance apart and will never touch
parallel or perpendicual
What is parallel lines
This is the term for a 90 degree angle
obtuse angle or right angle
What is right angle
A triangle that has all sides the same length
scalene or equilateral
What is equilateral
This is the number of sides on a quadrilateral
3, 4, or 5
What is 4
A shape that has 6 sides is called
pentagon hexagon octagon nonagon
What is a hexagon
lines that intersect to form a right angle
parallel or perpendicular
What is perpendicular
An angle that is less than 90 degrees
obtuse or acute
What is acute
A triangle with two sides the same length
scalene or isosceles
What is isosceles
this is the number of degrees all angles of a quadrilateral will add up to
90 180 or 360
What is 360 degrees
A shape with 5 sides is called
rhombus quadrilateral pentagon
What is a pentagon
this has one endpoint and continues in one direction forever
line segment or ray
What is a ray
an angle that is greater than 90 degrees
straight angle or obtuse
What is obtuse
A triangle with one angle greater than 90 degrees
obtuse or scalene
What is obtuse triangle
This is a quadrilateral with two pairs of opposite sides parallel and congruent and 4 right angles
rectangle or square
What is rectangle
A right triangle has one angle that is 45 degrees. What is the measure of the 3rd angle
Hint: a right triangle has one 90 degree angle
What is 45 degrees
This is part of a line
endpoint or line segment
What is a line segment
this is the number of degrees in a straight angle
90 180 or 360
What is 180 degrees
A triangle with a 90 degree angle and no sides the same length
right scalene or right isosceles
What is right, scalene
This is a quadrilateral with two pairs of opposite sides parallel and all sides the same length. (it does not have to have right angles)
trapezoid or rhombus
What is a rhombus
A quadrilateral has 3 angles measuring 90 degrees, 100 degrees, and 70 degrees. What is the measure of the 4th angle?
Hint: a quadrilateral's angles measure 360 degrees total
What is 100 degrees
This is a closed figure with at least 3 sides.
quadrilateral or polygon
What is a polygon
This is used to measure angles
protractor or compass
What is a protractor
All angles in every triangle will add up to this number of degrees
90 180 or 360
What is 180 degrees
This is a quadrilateral with only one pair of opposite sides parallel
trapezoid or rhombus
What is a trapezoid
A boat has a sail with one pair of perpendicular lines, and two sides the same length. What kind of triangle is it?
Right isosceles or right scalene
What is Right, isosceles