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Worksheets

Exploring Triangle Types

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What type of triangle has all sides equal?

a)

Right triangle

b)

Isosceles triangle

c)

Scalene triangle

d)

Equilateral triangle

2.

What do you call a triangle with one angle greater than 90 degrees?

a)

Obtuse triangle

b)

Acute triangle

c)

Right triangle

d)

Scalene triangle

3.

Identify the triangle with two equal sides.

a)

Isosceles triangle

b)

Right triangle

c)

Equilateral triangle

d)

Scalene triangle

4.

What type of triangle has all angles less than 90 degrees?

a)

Obtuse triangle

b)

Right triangle

c)

Scalene triangle

d)

Acute triangle

5.

What is the name of a triangle with no equal sides?

a)

Equilateral triangle

b)

Right triangle

c)

Isosceles triangle

d)

Scalene triangle

6.

Which triangle has one right angle?

a)

Scalene triangle

b)

Isosceles triangle

c)

Equilateral triangle

d)

Right triangle

7.

What type of triangle has one angle that is obtuse?

a)

Scalene triangle

b)

Obtuse triangle

c)

Acute triangle

d)

Right triangle

8.

Identify the triangle that has three equal angles.

a)

Equilateral triangle

b)

Isosceles triangle

c)

Scalene triangle

d)

Right triangle

9.

What do you call a triangle with two angles measuring 45 degrees?

a)

Scalene triangle

b)

Isosceles right triangle

c)

Equilateral triangle

d)

Obtuse triangle

10.

What type of triangle has all sides of different lengths?

a)

Scalene triangle

b)

Right triangle

c)

Isosceles triangle

d)

Equilateral triangle

11.

What is the name of a triangle with one angle measuring 90 degrees?

a)

Scalene triangle

b)

Right triangle

c)

Obtuse triangle

d)

Acute triangle

12.

Identify the triangle that is both isosceles and right-angled.

a)

Isosceles right triangle

b)

Scalene triangle

c)

Acute triangle

d)

Equilateral triangle

13.

What type of triangle has angles that sum up to 180 degrees?

a)

All triangles

b)

Only right triangles have angles that sum to 180 degrees

c)

Triangles with angles summing to 360 degrees

d)

Triangles with angles summing to 90 degrees

14.

What do you call a triangle with one angle measuring 60 degrees and the others measuring 60 degrees?

a)

Right triangle

b)

Scalene triangle

c)

Isosceles triangle

d)

Equilateral triangle

15.

What type of triangle has at least two equal angles?

a)

Isosceles triangle

b)

Equilateral triangle

c)

Right triangle

d)

Scalene triangle