BUILD FLUENCY. EARN YOUR ASCENT.Sign in Year 4
Compare angles with right angles and recognise acute, obtuse, straight, reflex and full turns.
Free examples and worked answers. No account needed.
Practise the method.
Compare angles with right angles and recognise acute, obtuse, straight, reflex and full turns.
Compare angles with right angles and recognise acute, obtuse, straight, reflex and full turns.
Example 1
Compare the coloured angle A with the separate right angle R. Which name describes angle A?
Compare angles A and RShow worked answer
Answer: Acute angle
- A is smaller than the right angle R, so A is acute.
Example 2
Compare the coloured angle A with the separate right angle R. Which name describes angle A?
Compare angles A and RShow worked answer
Answer: Acute angle
- A is smaller than the right angle R, so A is acute.
Example 3
Which name describes the angle marked by the coloured arc?
Marked angleShow worked answer
Answer: Straight angle
- The marked turn is two right angles, forming a straight angle.
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