WebCalculate the number of chords for the given circle: Since all the points are on the circle, therefore, none of them are collinear apart from two points that make a chord. So, the number of chords that can be drawn on the circle through 16 points is. = C 2 16 = 16! 2! × 14! = 16 × 15 × 14! 2 × 14! = 120. WebIf n C 12 = n C 9 find 21 C n. ... How many chords can be drawn through 20 points on a circle? Solution (iv) In a parking lot one hundred , one year old cars, are parked. Out of them five are to be chosen at random for to check its pollution devices. How many different set of five cars can be chosen?

How many chords can be drawn through 21 points on a circle - Toppr Ask

WebNov 5, 2024 · 7.4 (i) + C 3 : − C 3 = 12: 1 (ii) 2 C 3 : ∗ C 3 = 11: 1 How many chords can be drawn through 21 points on a circle? In how many ways can a team of 3 boys and 3 girls be selected from 5 boys and 4 girls? Find the number of ways of selecting 9 balls from 6 red balls, 5 white balls and 5 blue balls if each selection consists of 3 balls of ... WebHow many chords can be drawn through 21 points on a circle? Answers (1) To draw chords 2 points are required on the circle. To know the number of chords on the circle , when points on the circle are 21. days of the year national holidays

How many chords can be drawn through 21 points on a …

WebSolution. There are 21 points on the circumference of a circle. Since one and only one … WebMar 22, 2024 · To find: Number of chords can be drawn. Step-by-step explanation: As we know we can draw a chord on a circle having two distinct points on the circle . Total points = 16 . Required points to draw a chord = 2. Therefore. Total number of chords can be drawn . Now as we know . So we have . Hence,120 chords can be drawn through 16 points on circle WebHow many chords can be drawn through 21 points on a circle. 4 views Oct 8, 2024 1 … gcd in python without recursion