Lines
two lines that are the same distance apart and will never touch
What is parallel lines
This is the term for a 90 degree angle
What is right angle
A triangle that has all sides the same length
What is equilateral
This is the number of sides on a quadrilateral
What is 4
A shape that has 6 sides is called
What is a hexagon
lines that intersect to form a right angle
What is perpendicular
An angle that is less than 90 degrees
What is acute
A triangle with two sides the same length
What is isosceles
this is the number of degrees all angles of a quadrilateral will add up to
What is 360 degrees
A shape with 5 sides is called
What is a pentagon
this has one endpoint and continues in one direction forever
What is a ray
an angle that is greater than 90 degrees
What is obtuse
A triangle with one angle greater than 90 degrees
What is obtuse triangle
This is a quadrilateral with two pairs of opposite sides parallel and 4 right angles
What is rectangle
A right triangle has one angle that is 45 degrees. What is the measure of the 3rd angle
What is 45 degrees
This is part of a line
What is a line segment
this is the number of degrees in a straight angle
What is 180 degrees
A triangle with a 90 degree angle and no sides the same length
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)
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?
What is 100 degrees
This line cuts an angle in 2 congruent pieces
What is an angle bisector
Complementary angles add up to this
What is 90 degrees
All angles in every triangle will add up to this number of degrees
What is 180 degrees
This is a quadrilateral with only one pair of opposite sides parallel
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?
What is Right, isosceles