WorksheetsClassifying Polygons
Total questions: 35
Worksheet time: 3hrs 55mins
Name
Class
Date
1.
A polygon is a closed figure.
a)
True
b)
False
2.
This is a polygon.
a)
True
b)
False
3.
A polygon can have an open side.
a)
True
b)
False
4.
Convex or Concave?
a)
convex
b)
concave
5.
Kim drew a figure. How many obtuse and right angles does the figure have?
a)
1 obtuse and 3 right
b)
2 obtuse and 0 right
c)
2 obtuse and 2 right
d)
3 obtuse and 1 right
6.
This is a polygon.
a)
True
b)
False
7.
Convex or Concave?
a)
Convex
b)
Concave
8.
How many sides does a Hexagon have?
a)
6
b)
4
c)
3
d)
9
9.
Is this shape a POLYGON?
a)
Yes
b)
No
10.
What is this?
a)
ray
b)
line
c)
right angle
d)
obtuse angle
11.
Why is a Triangle called an Obtuse Triangle?
a)
It has 0 obtuse angles
b)
It has 1 obtuse angle
c)
It has 2 obtuse angles
d)
It has 3 obtuse angles
12.
What is the best description of the polygon?
a)
equilateral
b)
equiangular
c)
regular
d)
neither
13.
Cam drew a pentagon, a triangle, an octagon, hexagon, and a quadrilateral. Which of these polygons has eight sides?
a)
Quadrilateral
b)
Pentagon
c)
Hexagon
d)
Octagon
14.
How many sides does a decagon have?
a)
12
b)
9
c)
7
d)
10
15.
Polygon or non-polygon?
a)
Polygon
b)
Non-Polygon
16.
Joe sorted shapes into two groups as shown in the picture. Which rule did he use to place shapes into Group 1?
a)
polygons with at least 1 right angle
b)
polygons with 5 sides
c)
polygons with equal sides
d)
polygons with at least 1 pair of parallel sides
17.
Is the figure a polygon? Is it convex or concave?
a)
Not a polygon, convex
b)
Polygon, convex
c)
Not a polygon
d)
Polygon, concave
18.
Why is a Triangle called Equilateral?
a)
It has two sides that match
b)
It has all 3 sides that match
c)
It has no sides that match
d)
It has four sides that match
19.
What is the name of a 12-sided polygon
a)
Decagon
b)
Dodecagon
c)
Dozengon
d)
Noonagon
20.
What is a polygon?
a)
A closed shaped with only straight sides
b)
A closed shape with curved sides
21.
What do you call a polygon with 14 sides?
a)
14-gon
b)
penatdecagon
c)
n-gon
d)
decagon
22.
Why is a Triangle called an Acute Triangle?
a)
It has 3 acute angles
b)
It has 2 acute angles
c)
It has 1 acute angle
d)
It has 0 acute angles
23.
Who am I?
a)
Quadrilateral
b)
Triangle
c)
Pentagon
d)
Hexagon
24.
Convex or Concave?
a)
Convex
b)
Concave
25.
Why is a Triangle called a Right Triangle?
a)
It has 3 right angles
b)
It has 2 right angles
c)
It has 1 right angle
d)
It has 0 right angles
26.
Is the figure a polygon? Is it convex or concave?
a)
Not a polygon, convex
b)
Polygon, convex
c)
Not a polygon
d)
Polygon, concave
27.
A polygon can have curved sides.
a)
True
b)
False
28.
Complementary angles add up to
a)
90 degrees
b)
180 degrees
c)
360 degrees
29.
Regular or irregular polygon?
a)
Regular Polygon
b)
Irregular Polygon
30.
How many sides does an Octagon have?
a)
4
b)
3
c)
9
d)
8
31.
This polygon is classified as ....
a)
a hexagon
b)
a heptagon
c)
an octogon
d)
a nonagon
32.
Polygon or Non-Polygon?
a)
Polygon
b)
Non-Polygon
33.
A polygon has to have
a)
at least two sides
b)
at least three sides
c)
four or more sides
d)
no sides
34.
Supplementary angles add up to
a)
90 degrees
b)
180 degrees
c)
360 degrees
35.
Regular or Irregular Polygon?
a)
Regular Polygon
b)
Irregular Polygon
100 %
