Points, Lines and Rays
A dot that is named by a capital letter
What is a point
Two rays with the same end point
What is an angle
Triangles with one right (or 900) angle
What are right triangles
Triangles with three equal sides
What are equilateral triangles
What is a quadrilateral
A straight path that goes on forever in both directions
What is a line
Angles that are less than 90o
What are acute angles
Triangles with three acute angles
What is an acute triangle
Triangle with two equal sides
What is an isosceles triangle
A shape with four sides and two pairs of parallel sides
What is a parallelogram
A part of a line that has two ends
What is a line segment
Angles that are between 90o and 1800
What are obtuse angles
What are obtuse angles
A triangle that has no equal sides
What is a scalene triangle
A shape with four sides, two pairs of opposite sides parallel and four right angles
What is a rectangle
A Begins at an endpoint and extends forever in one direction
What is a ray
Angles that are 90o
What are right angles
A triangle that has one right angle and no equal sides
What is an
A triangle that has one right angle and two equal sides
What is a right isosceles triangle
A shape with four sides and exactly one pair of opposite sides parallel
What is a trapezoid
Line segments are named by these
What are endpoints
Angles that are 1800
What are straight angles
A triangle that has one obtuse angle and no equal sides
What is an obtuse scalene triangle
What is an acute isosceles triangle
A shape with with four sides, two pairs of opposite sides parallel and four equal sides
What is a rhombus