Starter quiz

  • ______ triangles have two equal-sized angles. Two of the three edges are equal in length.
    • 'Isosceles' ✓
  • As this triangle is isosceles, the angle marked <Math>a</Math> is <span class="blank">______</span> <Math>^\circ</Math>.
    As this triangle is isosceles, the angle marked a is ______ ^\circ.
    • '32' ✓
  • Which of these could be a sketch of an equilateral triangle?
  • Which of the following sets of lengths could be the edges of a triangle?
    • 6 cm, 8cm and 10 cm  ✓
    • 30 mm, 42 mm and 95 mm
    • 2.6 cm, 63 mm and 10.6 cm
    • 12 mm, 4.7 cm and 5.2 cm  ✓
    • 10 m, 12 m and 18 m  ✓
  • Select all the statements which are true of all quadrilaterals.
    • All quadrilaterals have four edges.  ✓
    • Interior angles of all quadrilaterals sum to 180^\circ.
    • All quadrilaterals have at least one set of parallel sides.
    • All quadrilaterals can be split into two triangles.  ✓
    • All quadrilaterals have a right angle.
  • Put the steps of constructing an equilateral triangle in order.
    • 1
      ⇔
      Use your pencil and ruler to draw one edge to the required length.
    • 2
      ⇔
      Set the width of the pair of compasses to the length of the drawn edge.
    • 3
      ⇔
      With the needle point on one end of the line segment, draw an arc.
    • 4
      ⇔
      Put the needle point on the other end of the line segment.
    • 5
      ⇔
      Check the width of the pair of compasses is still the length of the edge.
    • 6
      ⇔
      Draw an arc, which intersects with the first arc.
    • 7
      ⇔
      Connect the point of intersection to the ends of the line segment.
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