Intermediate November 2018 Unit 1 Q4
4. A triangle and a rectangle are shown below.
Diagrams not drawn to scale
The perimeter of the triangle is 18 cm.
Calculate the area of the rectangle. [4]
| Scheme | Marks | Comments |
|---|---|---|
| x + 7 + 8 = 18 or equivalent. | M1 | |
| x = 3 | A1 | May be seen on the diagram OR implied by 3 + 7 + 8 (=18) for M1A1. |
| ( Area =) 6 × (3 + 2) | M1 | FT ‘their derived or stated value for x’. |
| = 30(cm2) | A1 |