Higher June 2022 Paper 3 Q1
1 Here is a right-angled triangle.
Work out the value of \(x\). (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| 7.5 | M1 | for correct use of Pythagoras, eg \(8.5^2 - 4^2\ (= 56.25)\) or \(4^2 + x^2 = 8.5^2\) |
| A1 | for 7.5 or \(7\frac{1}{2}\) or \(\dfrac{15}{2}\) |
Additional guidance
Must have values substituted
Trigonometry may be used but M1 only awarded when complete method shown.