Foundation June 2017 Paper 2 Q6
6 XY and BD are parallel lines.
X is a point on AB and C is a point on BD.
XB = XC.
Not to scale
(a) Complete this sentence.
Angle XBC = \(65^\circ\) because .......................................... [1]
(b) Work out angle BXC.
Give a reason for each angle you work out. [4]
Give a reason for each angle you work out. [4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| Corresponding | 1 | Do not accept F angles | |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| Angle BXC = 50 | 2 | B1 for Angle XCB = 65 | XCB may be seen on the diagram Accept C for XCB, X for BXC Condone isos for isosceles |
| [Angles in a] isosceles [triangle] | 1 | ||
| Angles in a triangle add up to 180 | 1 | Accept Alternate angles [are equal] and Angles on a [straight] line =180 | [Angles in a] isosceles triangle add up to 180 scores final 2 marks Key words for 1 mark in ‘Angles in a triangle add up to 180’ are ‘triangle’ and ‘180’ |