Intermediate November 2024 Unit 2 Q1
1.
(a) Calculate the size of angle \(x\). [2]
Diagram not drawn to scale
\(x\) = …………… °
(b) PQRS is a quadrilateral.
QRT is a straight line.
Calculate the size of angle \(y\). [3]
QRT is a straight line.
Calculate the size of angle \(y\). [3]
Diagram not drawn to scale
\(y\) = …………… °
| Scheme | Marks | Comments |
|---|---|---|
| (\(x\) = ) 180 – 62 × 2 or equivalent | M1 | Check diagram for answers. Answer line takes precedence. Note: 180 – 124. Award M1 for complete method or intention of complete method provided not contradicted e.g. brackets missing 180 – 62 + 62 = 58 M1 A0, 180 – 62 + 62 = 180 M0 A0. |
| 56(°) | A1 | CAO. |
| Scheme | Marks | Comments |
|---|---|---|
| (\(Q\hat{R}S\) = ) 102(°) | B1 | Check diagram for answers. Answer line takes precedence. |
| (\(y\) = ) 360 – (115 + 60 + 102) or equivalent. | M1 | Note: 360 – 277. Award M1 for complete method or intention of complete method provided not contradicted e.g. brackets missing 360 – 115 + 60 + 102. FT for M1 and a possible A1 185 – ‘their 102’ provided \(y > 0\) and ‘their 102’ is:
|
| = 83(°) | A1 |