15 6.55 5 P1 process to find area of sector AOB × × 302 (= 200π) π P1 process to find area of triangle AOB × 302 × sin 80 (= 443...) P1 process to find segment area × × 302 × 302 × sin 80 π – P1 process to find percentage (× × 302 × 302 × sin 80 ) ÷ × 302 π – π A1 answer in range 6.5-6.6 16 Errors identified 2 B2 identifies 2 errors from: + 7 rather than + 6 (accept = for x y x y ≤ ≤ ≤) 0 rather than 0 (accept = for x y ≥ ≥ ≥) 2 rather than + 2 y x+ y x ≥ ≤ (B1 identifies one error)
15 6.55 5 P1 process to find area of sector AOB × π × 302 (= 200π) P1 process to find area of triangle AOB × 302 × sin 80 (= 443...) P1 process to find segment area × π × 302 – × 302 × sin 80 P1 process to find percentage (× π × 302 – × 302 × sin 80 ) ÷ π × 302 A1 answer in range 6.5-6.6 16 Errors identified 2 B2 identifies 2 errors from: x + y ≤ 7 rather than x + y ≤ 6 (accept = for ≤) x ≥ 0 rather than y ≥ 0 (accept = for ≥) y ≥ x+ 2 rather than y ≤ x + 2 (B1 identifies one error)