Picture This
Lines & Angles
Who am I?
Regular Polygons
True or False
100
square
100
parallel
100
I have four vertices, all 90°.
I have two sets of parallel sides.
All my sides are the same length.
square
100
Which one is the hexagon?
B
100
A square is a rectangle.
true
A square is a rectangle where all the sides are equal.
200
octogon
200
right angle
200
I have three sides and three vertices.
All my sides are equal.
All my vertices are equal.
equilateral triangle
200
Which one is the pentagon?
A
200
A rhombus is a triangle.
false
A rhombus is a quadrilateral (four sides), and a parallelogram, but not a triangle.
300
parallelogram
300
acute angle
300
I am a 2D figure, but I am not a polygon.
All my edge points are equal distance from my center point.
2r=d
circle
300
Which one is the heptagon?
C
300
A rectangle is a parallelogram.
true
A rectangle is a parallelogram where all angles are 90°.
400
trapezoid
400
obtuse angle
400
I have three sides and three vertices.
None of my sides are equal.
None of my vertices are equal.
scalene triangle
400
Which one is the decagon?
F
400
A pentagon is a quadrilateral.
false
A quadrilateral has exactly four straight sides.
500
rhombus (rhombi)
500
perperndicular
500
I am a polygon with four sides and four vertices.
Either two of my vertices are 90°, or none of them are.
Two of my sides are parallel, and two are not.
trapezoid
500
Which one is the nonagon?
E
500
The formula to find the area of a parallelogram, rhombus, rectangle, and square are all the same.
true
Squares, rectangles, and rhombi are parallelograms. Just multiply the base by the height!
