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Classifying
Quadrilaterals
Area Formulas
Perimeter Formulas
Lines
Classifying
Angles
100
A rhombus with four right angles
What is a square
100
The formula to find the area of a square
What is A=s
2
A=Area; s=length of side; 2=squared
100
The formula to find the perimeter of a square
What is "P=4s" P=perimeter; s=length of side
100
A straight path of points that has no endpoints
What is a line
100
An angle less than 90 degrees.
What is an acute angle
200
A parallelogram with four congruent sides
What is a rhombus
200
The formula to find the area of a rectangle
What is "A = lw" A= Area; l=length; w=width
200
The formula to find the perimeter of a rectangle
What is "P=2l +2w" or "P = 2(l + w)" P=perimeter; l=length; w=width
200
A part of a line that has one endpoint and continues in one direction indefinitely.
What is a ray.
200
An angle that is exactly 90 degrees
What is a right angle
300
A parallelogram with four right angles
What is a rectangle
300
The formula to find the area of a triangle
What is "A = 1/2bh" A= Area; b=base; h=height
300
The formula to find the cicumference of a circle
What is "C = Pi X d" or C = 2 Pi r" C=circumference; Pi = (about 3.14 or 22/7); d= diameter; r=radius
300
A part of a line that has two endpoints and includes all of the points between those two endpoints
What is a line segment
300
An angle that is greater than 90 degrees.
What is an obtuse angle
400
A quadrilateral with both pairs of opposite sides the same length and parallel
What is a parallelogram
400
The formula to find the area of a parallelogram
What is "A = bh" A= Area; b=base; h=height
400
The formula to find the perimeter of a rhombus
What is "P=4s" P=perimeter; s=length of side
400
Lines in the same plane that never cross because they are always the same distance apart
What are parallel lines
400
An angle that is exactly 180 degrees
What is a straight angle
500
A quadrilateral with exactly one pair of parallel sides
What is a trapezoid
500
The formula to find the area of a trapezoid
What is "A = 1/2h(b1 + b2)" A= Area; h=height; b1= one base; b2=other base
500
The formula to find the perimeter for a 5-sided polygon
What is "P = s1 + s2 + s3 + s4 + s5" P=perimeter; s1 = length of one side; s2 = length of another side, etc.
500
Lines that form right angles when they meet
What are perpendicular lines
500
A angle greater than 180 degrees and less than 360 degrees
What is a reflex angle