参考下方的方格网并回答第 9 题。 关于上图，下列哪项叙述是正确的？

认识角及角的大小English
先不看答案，让 AI 诊断你卡在哪里？

它不会直接告诉你答案，而是问你卡在哪一步看看 AI 是怎么陪你一步步弄懂这道题的

完整解法

9

1. Check option (1): Point E is north-east of Point F

Point F is at (4,2)(4, 2) and Point E is at (3.5,1)(3.5, 1). From F to E, the direction is South-West, not North-East. So (1) is false.

2. Check option (2): Point D is north-east of Point E

Point E is at (3.5,1)(3.5, 1) and Point D is at (3,2)(3, 2). From E to D, the direction is North-West, not North-East. So (2) is false.

3. Check option (3): Point D is north-east of Point B

Point B is at (4,4)(4, 4) and Point D is at (3,2)(3, 2). From B to D, the direction is South-West, not North-East. So (3) is false.

4. Check option (4): Point F is north-east of Point E

Point E is at (3.5,1)(3.5, 1) and Point F is at (4,2)(4, 2). From E to F, the direction is towards the top-right, which corresponds to North-East. So (4) is true.

答案

Point F is north-east of Point E (option 4)

AI 分析，可能出错

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