Lines
What is parallel lines?
two lines that are the same distance apart and will never touch
What is right angle?
This is the term for a 90 degree angle
What is equilateral
A triangle that has all sides the same length
what is a quadrilateral
a shape with 4 sides
What is a hexagon
A shape that has 6 sides is called
What is perpendicular?
lines that intersect to form a right angle
What is acute
An angle that is less than 90 degrees
What is isosceles
A triangle with two sides the same length
what is the sum of all angled of a quadrilateral
the number of degrees all angles of a quadrilateral will add up to 360
What is a pentagon
A shape with 5 sides is called
What is a ray
this has one endpoint and continues in one direction forever
What is obtuse
an angle that is greater than 90 degrees
What is obtuse triangle
A triangle with one angle greater than 90 degrees
What is rectangle
This is a quadrilateral with two pairs of opposite sides parallel and 4 right angles
What is 45 degrees
A right triangle has one angle that is 45 degrees. What is the measure of the 3rd angle
What is a line segment?
This is part of a line
What is 180 degrees
this is the number of degrees in a straight angle
What is right, scalene
A triangle with a 90 degree angle and no sides the same length
what is a rhombus
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)
A quadrilateral has 3 angles measuring 90 degrees, 100 degrees, and 70 degrees. What is the measure of the 4th angle?
100 degrees
What is a polygon?
This is a closed figure with at least 3 sides
What is a protractor
This is used to measure angles
how much is the sum of angles in a triangle
All angles in every triangle will add up 180 degrees
What is a trapezoid
This is a quadrilateral with only one pair of opposite sides parallel
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