Angles
an angle that is exactly 90 degrees
What is a right angle?
a line that has a definite start and end point
What is a line segment?
a four sided figure
What is a quadrilateral?
an equilateral triangle has _______
What are all equal sides and angles?
The study of shapes
What is geometry?
an acute angle is
What is an angle that is less than 90 degrees?
a line that goes across
What is a horizontal line?
A hexagon has how many sides?
What is 6 sides?
A triangle with no equal sides is called?
What is a scalene triangle?
a pentagon has ___ sides
What is 5 sides?
a 180 degree angle
What is a straight angle?
intersecting lines are _________
What are lines that cross?
a nine sided figure
What is a nonagon?
An isosceles triangle has ________
What are 2 equal side lengths?
A seven sided figure
What is a heptagon?
an angle bigger than 180 and less than 360 degrees
What is a reflex angle?
two lines that will never meet are called
What are parallel lines?
A four sided figure with one set of parallel sides
What is a trapezoid?
A triangle with one 90 degree angle is ?
What is a right triangle?
A triangle with all angles less than 90 degrees
What is an acute triangle?
an obtuse angle
What is an angle that is bigger than 90 degrees and less than 180 degrees?
perpendicular lines are 2 lines that ___________
What are meet at 90 degrees?
A parallelogram is a four sided figure with ___________
What is 2 sets of parallel sides?
An obtuse triangle has _________
What is one obtuse angle?
the angles of a triangle add up to
What is 180 degrees?