Foundation June 2018 Paper 3 Q17
17 \(ABC\) is an isosceles right-angled triangle.
The area of the triangle is 162 cm2
Work out the value of \(x\). (3)
| Answer | Mark | Mark scheme |
|---|---|---|
| 6 | P1 | for a process to set up an equation in \(x\), eg \(\dfrac{1}{2} \times 3x \times 3x = 162\) |
| P1 | for a process to simplify to \(x^2\) eg \(x^2 = 162 \times 2 \div 9\) or \(x^2 = 36\) | |
| A1 | cao |
Additional guidance
Must be a complete equation
Can ft their equation if a quadratic