Constructing triangles

12 questions

1. Match the angle size to the type of angle.
2. Which of these sketched triangles are definitely isosceles?
3. Lucas has used a centimetre ruler to draw a line of 8.2 cm. Which image shows his line?
4. Which of these shows the best set up of a pair of compasses?
5. An arc of a circle is part of the circle’s ___.
6. 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?
7. Which description matches this sketch?
8. When constructing a triangle from three edge lengths, we use a pair of compasses to draw ___ circles.
9. Which of the following shows a partial construction of an equilateral triangle?
10. Which of the following lengths could be the edge lengths of a triangle?
11. Which of the points C, D or E when connected to AB would create a triangle with three edges of different lengths?
12. Triangle ABE is an ___ triangle.

License: OGL