Lines
Part of a line named by two end points
What is a line segment?
A four-sided polygon
What is a quadrilateral?
A = lw
What is the formula for area of a rectangle?
A triangle with all sides congruent
What is an equilateral triangle?
An angle that is less than 90°
What is an acute angle?
A line with a starting point but no ending point
What is a ray?
A polygon with five sides
What is a pentagon?
A = s2
What is the formula for area of a square?
A triangle with 2 congruent sides
What is an isosceles triangle?
An angle that is greater than 90°, but less then 180o
What is an obtuse angle?
An exact location
What is a point?
A four-sided polygon with all sides and angles equal
What is a square?
A = bh
What is the formula for area of a parallelogram?
A triangle with no congruent sides
What is a scalene triangle?
An angle that is exactly 90°
What is a right angle?
Lines that cross at 90°
What are perpendicular lines?
A polygon with six sides
What is a hexagon?
V = lwh
What is the formula for volume of a rectangular prism?
A triangle where all sides are less than 90o
What is an acute triangle?
An angle that is 180o
What is a straight angle?
Lines that never cross and remain the same distance apart
What are parallel lines?
A quadrilateral with only one set of parallel lines
What is a trapezoid?
A = 1/2bh
What is the formula for area of a triangle?
A triangle where one angle is 90o
What is a right triangle?
When 2 angles are exactly the same
What are congruent angles?