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Worksheets

Polygons & Classifying Triangles

Total questions: 39

Worksheet time: 2hrs 10mins

Name
Class
Date
1.
What type of triangle is this?
a)
Equilateral
b)
Isosceles
c)
Scalene
d)
Obtuse
2.
How many acute angles must an acute triangle have?
a)
2
b)
1
c)
4
d)
3
3.
Which angle type is pictured?
a)
Acute
b)
Right
c)
Obtuse
d)
Straight
4.
Which type of angle is pictured?
a)
Acute
b)
Right
c)
Obtuse
d)
Straight
5.
Which angle type is pictured?
a)
Acute
b)
Right
c)
Obtuse
d)
Straight
6.
Which type of triangle is pictured?
a)
Equilateral Triangle
b)
Right Isosceles Triangle
c)
Obtuse Scalene Triangle
d)
Obtuse Equilateral Triangle
7.
a)
Equilateral Triangle
b)
Scalene Triangle
c)
Isosceles Triangle
d)
Right Triangle
8.
Which would be the best classification for the triangle shown?
a)
right isosceles
b)
obtuse scalene
c)
obtuse isosceles
d)
right scalene
9.
What is a polygon?
a)
A closed plane figure made up of line segments
b)
An open plane figure made up of line segments
c)
A closed plane figure made up of rays
d)
An open plane figure made up of rays
10.
How many sides does a Triangle have?
a)
4
b)
3
c)
2
d)
6
11.
How many sides does a Quadrilateral have?
a)
4
b)
3
c)
6
d)
9
12.
How many sides does a Pentagon have?
a)
4
b)
3
c)
5
d)
9
13.
How many sides does a Hexagon have?
a)
6
b)
4
c)
3
d)
9
14.

What type of angle is formed by the intersection of Windy Lane and State Street?

a)

acute

b)

right

c)

obtuse

d)

straight

15.

How many sides does an octagon have?

a)

4

b)

3

c)

9

d)

8

16.

What are the attributes of an isosceles triangle?

a)

It has two congruent or equal sides

b)

It has three congruent or equal sides

c)

It has no congruent or equal sides

d)

It has four congruent or equal sides

17.

What are the attributes of an acute triangle?

a)

It has 3 acute angles

b)

It has 2 acute angles

c)

It has 1 acute angle

d)

It has no acute angles

18.

What are the attributes of an obtuse triangle?

a)

It has no obtuse angles

b)

It has 1 obtuse angle

c)

It has 2 obtuse angles

d)

It has 3 obtuse angles

19.

What kind of triangle has no congruent or equal sides?

a)

equilateral

b)

isosceles

c)

horizontal

d)

scalene

20.

What are all the ways we can classify this triangle? Choose two.

a)

acute

b)

obtuse

c)

scalene

d)

isoscles

e)

equilateral

21.

A triangle has 2 congruent sides and 1- 90 angle. Which TWO terms accurately describe the triangle?

a)

isosceles

b)

obtuse

c)

scalene

d)

acute

e)

right

22.
.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Isosceles
c)
Scalene
d)
Equilateral
23.
.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Scalene
c)
Isosceles
d)
Equilateral
24.
What kind of triangle is this?
a)
Acute
b)
Right
c)
Sparkly
d)
Obtuse
25.
When classifying a triangle by its angles, what type of triangle has one right angle? 
a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
26.
All equilateral triangles are acute triangles.
a)
true
b)
false
27.
Classify by its angles.
a)
acute
b)
equiangular
c)
right
d)
obtuse
28.
5 sided shape
a)
Hexagon
b)
Octagon
c)
Pentagon
d)
Quadrilateral
29.
6 sided shape
a)
Octagon
b)
Hexagon
c)
Heptagon
d)
Decagon
30.
What is this shape?
a)
Circle
b)
Square
c)
Pentagon
d)
Octagon
31.

REGULAR in Math means...

a)

Normal

b)

Two sides have the same length

c)

All sides are congruent and all angles are equal

d)

It has right angles

32.
What is a regular polygon?
a)
Polygon with all sides congruent
b)
Polygon with all angles congruent
c)
Polygon with all sides and angles congruent
d)
Polygon with no sides or angles congruent
33.

Identify the triangle by its sides and angles.

a)

Obtuse Equilateral

b)

Obtuse Isosceles

c)

Isosceles

d)

Acute Scalene

34.

Identify the triangle by its sides and angles

a)

Right Isosceles

b)

Right Scalene

c)

Right Equilateral

35.

Identify the triangle by its sides and angles

a)

Equilateral

b)

Obtuse Equilateral

c)

Acute Equilateral

d)

Acute Isosceles

36.

Identify the triangle by its sides and angles

a)

Right Isosceles

b)

Right Scalene

c)

Obtuse Isosceles

d)

Obtuse Scalene

37.

Identify the triangle by its sides and angles

a)

Obtuse Isosceles

b)

Obtuse Equilateral

c)

Obtuse Scalene

38.

Identify the triangle by its sides and angles

a)

Acute Equilateral

b)

Right Equilateral

c)

Acute Isosceles

d)

Obtuse Isosceles

39.

In a triangle, how many total degrees are there?

a)

100 °\degree

b)

180 °\degree

c)

360 °\degree

d)

It varies on the type of triangle