1MA0 Foundation March 2013 Paper 1 Q12
12
(a) Reflect the shaded shape in the mirror line. (2)
(b) On the grid, enlarge the shaded shape using a scale factor of 3 (2)
Here is a different shape.
Diagram NOT accurately drawn
(c) Work out the size of angle \(x\). (2)
| Answer | Mark | Notes |
|---|---|---|
| reflection | 2 | B2 for correct reflection in correct position (B1 for at least 2 vertices in the correct position) |
| Answer | Mark | Notes |
|---|---|---|
| enlargement | 2 | B2 for correct enlargement scale factor 3 (B1 for at least 2 lines correctly enlarged or any enlargement using an incorrect scale factor, sf \(\ne 1\)) |
| Answer | Mark | Notes |
|---|---|---|
| 105 | 2 | M1 for \(360 - (90 + 128 + 37)\) oe or \(x + 90 + 128 + 37 = 360\) A1 cao |