Intermediate June 2023 Unit 2 Q1
1.
(a) 
Diagram not drawn to scale
Calculate the value of \(x\). [2]
(b) The diagram below shows an isosceles triangle.
Diagram not drawn to scale
Calculate the value of \(y\). [2]
| Scheme | Marks | Comments |
|---|---|---|
| (\(x\) =) 360 – (115 + 97 + 42) or equivalent. | M1 | Check diagram for answer. Note: 360 – 254 |
| = 106 | A1 | Note: Award M1A1 for a correct embedded answer BUT only M1A0 if contradicted by \(x \neq\) 106. |
| Scheme | Marks | Comments |
|---|---|---|
| \(y = \dfrac{180 - 78}{2}\) | M1 | Check diagram for answer. Note: \(\dfrac{102}{2}\) Award M1 for sight of 78 + \(y\) + \(y\) = 180. |
| = 51 | A1 | Note: Award M1A1 for a correct embedded answer BUT only M1A0 if contradicted by \(y \neq\) 51. |