Higher November 2018 Paper 4 Q7
7 The diagram shows triangle ABC.
(a) Construct the bisector of angle BAC. [2]
(b) Construct the perpendicular bisector of AC. [2]
(c) Shade the region inside triangle ABC that is
- nearer to AC than to AB
- nearer to A than to C.
[1]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| acceptable bisector of angle A with two pairs of supporting arcs | 2 | B1 for acceptable bisector of angle A with no or incorrect arcs | Tolerance ± 2° Use overlay |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| acceptable perpendicular bisector of AC with supporting arcs | 2 | B1 for acceptable perpendicular bisector of AC with no or incorrect arcs | Tolerance ± 2 mm Use overlay |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| their correct region shaded | 1 | Dep on at least (a) B1 and (b) B1 | |