Year 5
Calculating angles within a shape 1
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Lesson details
Key learning points
- In this lesson, we will learn about different types of triangle and how to calculate angles within a triangle.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
What is the size of the missing angle?
120°
60°
Q2.
What is the size of the missing angle?
240°
30°
Q3.
What is the size of the missing angle?
50°
Q4.
How is this drawing incorrectly drawn?
The angles add up to greater than 180°
The angles do not add up to 360°
Q5.
What angle would 4pm show?
4°
40°
90°
5 Questions
Q1.
What type of triangle has 3 different angles and 3 different sides
equilateral
isosceles
right angle
Q2.
What do angles inside a triangle add up to?
360°
90°
Q3.
What are the size of the angles within an equilateral triangle?
180°
It's impossible to work out without one angle
Q4.
What is the size of angle a?
105°
115°
90°
Q5.
What is the size of angle b?
115°
65°
90°