Lesson details

Key learning points

  1. In this lesson, we will compare and classify triangles, looking at how to recognise the different types of triangles and the sum of the angles in a triangle.

Licence

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5 Questions

Q1.
The angles on a straight line add up to:
Correct answer: 180°
360°
90°
Q2.
The angles around a point add up to:
180°
Correct answer: 360°
90°
Q3.
Calculate the value of angle b.
235°
Correct answer: 55°
75°
Q4.
Calculate the value of angle a.
110°
Correct answer: 130°
160°
Q5.
Calculate the value of angle g.
130°
293°
Correct answer: 67°

5 Questions

Q1.
What do the angles in a triangle add up to?
Correct answer: 180°
360°
90°
Q2.
What type of triangle is shown in the picture below?
Equilateral
Correct answer: Isosceles
Scalene
Q3.
Is this statement always true, sometimes true or never true.
Always true
Correct answer: Never true
Sometimes true
Q4.
Which triangle is scalene?
a
b
Correct answer: c
d
Q5.
What is the value of the missing angle?
180°
240°
Correct answer: 60°

Lesson appears in

UnitMaths / Missing angles and lengths