Question

3. Find the number of diagonals for the polygons with
sides:
a. n = 11
b. n = 23
c. n = 18​

Answer 1

Answer:

(c)

Step-by-step explanation:

this is the correct answer

Answer 2

Answer:

number of diagonals for n sides=n(n-3) /2

a) n=11

11(11-3) /2

11×8/2

88/2

44

b) n=23

23(23-3) /2

23×20/2

460/2

230

c) n=18

18(18-3) /2

18×15/2

270/2

135

Step-by-step explanation:

These are the correct answers.Hope it helps you.plzzzzzzzzzz mark as brainliest and follow me