Choose the incorrcet one.

• Incorrect sentence: The axiss of the windmill turned smoothly in the breeze, generating electricity.
- Axis এর plural form হচ্ছে - Axes, তাই বাক্যটি 'The axes of the windmill turned smoothly in the breeze, generating electricity.' হলে সঠিক হতো।

• Axis (noun)
English Meaning: A straight line about which a body or a geometric figure rotates or may be supposed to rotate
Bangla Meaning: যে রেখাকে কেন্দ্র করে কিছু আবর্তিত হয়; অক্ষ; অক্ষরেখা।
- এর plural form হচ্ছে - Axes.

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• Appendix:
English meaning: An appendix to a book is extra information that is placed after the end of the main text.
Bangla meaning: বিশেষত বইয়ের শেষে সংযোজিত অংশ; পরিশিষ্ট।
Plural form: appendices, appendixes.

Corrce sentence: Students are required to include appendixes with their research papers to provide supporting information.
Corrce sentence: The book includes several appendices with detailed maps and diagrams.
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• Vertex (noun)
English Meaning: the top of the head/a principal or highest point.
Bangla Meaning: শীর্ষ; শীর্ষবিন্দু; চূড়া।
- Vertex এর Plural form - Vertexes এবং Vertices.
- Correct sentence: The polygon has several vertexes where its sides meet.