Constructing triangles | Maths | Quizalize & Oak National Academy

Starter quiz

Match the angle size to the type of angle.
- $12^\circ$
  
  ⇔
  
  acute angle ✓
- $90^\circ$
  
  ⇔
  
  right angle ✓
- $138^\circ$
  
  ⇔
  
  obtuse angle ✓
- $305^\circ$
  
  ⇔
  
  reflex angle ✓
Which of these sketched triangles are definitely isosceles?
Lucas has used a centimetre ruler to draw a line of 8.2 cm. Which image shows his line?
Which of these shows the best set up of a pair of compasses?
An arc of a circle is part of the circle’s ______.
- 'circumference' ✓
A triangle has a perimeter of 65 mm. Two of the edges are 23 mm and 26 mm respectively. How long is the third edge of the triangle?
- 15 mm
- 16 mm ✓
- 17 mm
- 18 mm
- 19 mm