Higher November 2021 Paper 4 Q11
11 The diagram shows triangles ABC and ADE.
Not to scale
B lies on AD and C lies on AE.
BC is parallel to DE.
Complete these statements to show that triangles ABC and ADE are similar.
Angle ABC = angle ADE because they are corresponding angles.
Angle ACB = angle ........ because ........
Angle BAC is ........
Triangles ABC and ADE are similar because ........
[3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| AED or DEA and corresponding | 1 | accept CED, DEC | |
| common oe | 1 | accept “same as angle DAE” oe ignore any reasons | |
| correct reason e.g. AAA or both triangles have the same angles oe | 1 | ||