Lesson Worksheet: Triangles Mathematics
In this worksheet, we will practice recognizing, describing, and classifying triangles as acute, obtuse, or right and as isosceles, equilateral, or scalene.
Q1:
Which of the following describes the given shape?
- Aobtuse triangle
- Bequilateral triangle
- Cright triangle
- Disoceles triangle
- Eacute triangle
Q2:
What type of triangle is this?
- ARight triangle
- BIsoceles triangle
- CObtuse triangle
- DEquilateral triangle
- EScalene triangle
Q3:
What type of triangle is this?
- AAn acute triangle
- BAn isosceles triangle
- CA right triangle
- DAn obtuse triangle
- EAn equilateral triangle
Q4:
What do these shapes have in common?
- ABoth are obtuse triangles.
- BBoth are isosceles triangles.
- CBoth are right triangles.
- DBoth are equilateral triangles.
- EBoth are acute triangles.
Q5:
Which of the following describes the given shape?
- Aright triangle
- Bobtuse triangle
- Cisoceles triangle
- Dequilateral triangle
- Escalene triangle
Q6:
Consider the following triangle.
Which of these types of triangles is it?
- AAn acute scalene triangle
- BA right isosceles triangle
- CAn obtuse isosceles triangle
- DAn acute isosceles triangle
- EAn obtuse scalene triangle
Q7:
True or False: Some right triangles are isosceles.
- ATrue
- BFalse
Q8:
Ghena and Nouf were each asked to draw a right isosceles triangle with at least one side that is 15 cm long. The triangles they drew are shown below.
Who drew her triangle correctly?
- AOnly Ghena
- BOnly Nouf
- CBoth Ghena and Nouf
- DNeither Ghena nor Nouf
Q9:
Hoor drew the triangle shown below.
Which of these types of triangles did she draw?
- AAn acute isosceles triangle
- BAn acute scalene triangle
- CAn obtuse scalene triangle
- DA right scalene triangle
- EAn obtuse isosceles triangle
Q10:
True or False: Some obtuse triangles are isosceles.
- AFalse
- BTrue
Practice Means Progress
Download the Nagwa Practice app to access 14 additional questions for this lesson!
