Lines
An exact location on a line or in space
Point
An angle that is exactly 180 degrees
Straight angle
A shape with four sides and four angles
Quadrilateral
A triangle with one right angle
Right Triangle
36
A part on a line that has a beginning and an end
An angle that is exactly 90 degrees
Right Angle
A shape with four equal sides and four equal angles
Square
A triangle with two congruent sides
Isosceles Triangle
Width X Length
Lines that will never touch
Parallel Lines
A tool used for measuring angles
Protractor
A quadrilateral with opposite sides equal and four right angles
Rectangle
A triangle with all angles less than 90 degrees
Acute Triangle
What is the place value of the 4 in 243,781
Ten Thousand
A part of a line that has a start point but does not have an ending
Ray
An angle that is between 91 and 180 degrees
Obtuse Angle
A quadrilateral with all sides the same and opposite angles equal
Rhombus
A triangle with three congruent sides
Equilateral Triangle
3/10 + 2/5
7/10
Two lines that cross to make a right angle
Perpendicular Lines
An angle that is between 0 and 89 degrees
Acute Angle
A quadrilateral with one pair of parallel sides
Trapezoid
A triangle with no congruent sides
Scalene Triangle
The first 5 multiples of 7
7, 14, 21, 28, 35