1MA0 Foundation November 2015 Paper 1 Q13
13 Here is a rectangle.

Diagram NOT accurately drawn
All measurements on the diagram are in centimetres.
(a) Find the value of \(x\). (2)
Here is a triangle.

Diagram NOT accurately drawn
(b) Find the size of the angle marked \(y\). (2)
| Answer | Mark | Notes |
|---|---|---|
| 5 | 2 | M1 for equating sides, eg \(x + 1 + x - 1 = 10\) or \(2x = 10\) or \(x + 1 = 6\) or \(x - 1 = 4\) A1 for (\(x =\)) 5 |
| Answer | Mark | Notes |
|---|---|---|
| 30 | 2 | M1 for \(1y + 2y + 3y = 180\) oe or \(180 \div 6\) (= 30) A1 cao |