Number of chords that can be formed using the 21 points =21×20×19! 2×1×19! Therefore, the number of chords that can be formed using the 21 points lying on the circle is 210 chords.
Number of chords that can be formed using the 21 ints = =21×20×19! 2×1×19! Therefore, the number of chords that can be formed using the 21 points lying on the circle is 210 chords.
Answers & Comments
Answer:
210 chords
Step-by-step explanation:
Number of chords that can be formed using the 21 points =21×20×19! 2×1×19! Therefore, the number of chords that can be formed using the 21 points lying on the circle is 210 chords.
Answer:
220 chordes
Step-by-step explanation:
Number of chords that can be formed using the 21 ints = =21×20×19! 2×1×19! Therefore, the number of chords that can be formed using the 21 points lying on the circle is 210 chords.