Convert 90° to radians as kπ. Find k.
- 3/2
- 1/2
- 5/2
- -1/2
Answer / جواب
1/2

Class 9 Mathematics · Chapter 6 · Retained syllabus for Annual 2027
Practise this chapter online, check each answer and review your result. The current bank contains 46 objective questions for this chapter and medium.
1/2
180
180
180
Use custom mode for a chapter paper. Board Annual mode uses the complete prescribed syllabus and published question distribution for supported subjects.