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Worksheets

Types of triangles

Total questions: 25

Worksheet time: 21mins

Name
Class
Date
1.

What Type of Triangle is this?

a)

Right Angled triangle

b)

Equilateral triangle

c)

Isosceles triangle

d)

Scalene Triangle

e)

Acute Triangle

2.

What Type of Triangle is this?

a)

Right Angled triangle

b)

Equilateral triangle

c)

Isosceles triangle

d)

Obtuse Triangle

e)

Acute Triangle

3.

What Type of Triangle is this?

a)

Right Angled triangle

b)

Equilateral triangle

c)

Isosceles triangle

d)

Obtuse Triangle

e)

Acute Triangle

4.

What Type of Triangle is this?

a)

Isosceles triangle

b)

Equilateral triangle

c)

Obtuse Triangle

d)

Scalene Triangle

e)

Right Angled triangle

5.

What Type of Triangle is this?

a)

Scalene triangle

b)

Equilateral triangle

c)

Obtuse Triangle

d)

Isosceles triangle

e)

Acute Triangle

6.

What type of triangle is shown?

a)

Isosceles

b)

Right-angled

c)

Equilateral

d)

Scalene

7.

Acute triangles are triangles with only acute angles inside.


Select all the acute triangles below:

a)
b)
c)
d)
8.

What triangle has 1 obtuse angle and 2 acute angles?

a)

scalene triangle

b)

right triangle

c)

obtuse triangle

9.

What triangle has one right angle and 2 acute angles?

a)

acute triangle

b)

right triangle

c)

obtuse triangle

10.
How many acute angles must an acute triangle have?
a)
2
b)
1
c)
4
d)
3
11.
Which angle type is pictured?
a)
Acute
b)
Right
c)
Obtuse
d)
Straight
12.
Which type of angle is pictured?
a)
Acute
b)
Right
c)
Obtuse
d)
Straight
13.
Which angle type is pictured?
a)
Acute
b)
Right
c)
Obtuse
d)
Straight
14.

This is . . .

a)

a right triangle

b)

an acute triangle

c)

an obtuse triangle

d)

I really don't know, HELP!

15.

What type of triangle is this?

a)

Equilateral

b)

Isosceles

c)

Right

d)

Obtuse

16.
a)

Right

b)

Scalene

c)

Isosceles

d)

Equilateral

17.

What type of triangle is shown?

a)

Isosceles

b)

Right

c)

Equilateral

d)

Scalene

18.

What type of triangle is shown?

a)

Isosceles

b)

Right

c)

Equilateral

d)

Scalene

19.

What type of triangle is shown?

a)

Isosceles

b)

Right-angled

c)

Equilateral

d)

Scalene

20.

What type of triangle is shown?

a)

Isosceles

b)

Right

c)

Equilateral

d)

Scalene

21.

What type of triangle is shown?

a)

Isosceles

b)

Right

c)

Equilateral

d)

Scalene

22.

What type of triangle is shown?

Select all that apply

a)

Isosceles

b)

Right

c)

Equilateral

d)

Scalene

23.

What kind of triangle is this?

a)

Obtuse Scalene

b)

Right Isosceles

c)

Acute Equilateral

d)

Right Scalene

24.

What kind of triangle is this?

a)

Right Isosceles

b)

Right Scalene

c)

Obtuse Scalene

d)

Acute Isosceles

25.

What kind of triangle is this?

a)

Acute Equilateral

b)

Acute Scalene

c)

Right Isosceles

d)

Obtuse Equilateral