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Lesson details
Key learning points
- In this lesson, we will learn how to use a protractor to draw acute and obtuse angles as well as identify common mistakes.
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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4 Questions
Q1.
What is the size of this reflex angle?
140°
40°
Q2.
Which angle is this protractor measuring?
a
c
d
e
Q3.
How many degrees is this angle?
0°
150°
30°
Q4.
How many degrees is this angle?
120°
140°
40°
60°
3 Questions
Q1.
Draw a triangle with these angles (45°, 55°). What is the size of the missing angle
100°
260°
right angle
Q2.
Draw a triangle with these angles (95°, 105°). What is the size of the missing angle
-20°
20°
Q3.
Draw a quadrilateral with these angles (45°, 55°, 120°). What is the size of the missing angle?
impossible to draw