Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • Q.11 (b) Fig 11.7 gives a matchstick pattern of triangles. As in Exercise 11 (a) above, find the general rule that gives the number of matchsticks in terms of the number of triangles.

Q. 11.    (b) Fig 11.7 gives a matchstick pattern of triangles. As in Exercise 11 (a) above, find the general rule that gives the number of matchsticks in terms of the number of triangles.

                    

                    

Answers (1)

best_answer

(a) 3 matchsticks

(b) 5 matchsticks

(c) 7 matchsticks

(d) 9 matchsticks

If we remove 1 matchstick from each then it forms a table of 2 i.e.,  2,4,6,8............

So, required equation  = 2x+1 , x= number of triangles

 

Posted by

seema garhwal

View full answer

Similar Questions

Trending Articles/News

anam-khan

NVS Class 9, 11 Admission 2025: LEST registration last date extended again; apply by November 26
anam-khan

NVS Admission 2025: Registration deadline today for Class 9, 11 lateral entry selection test
anam-khan

NVS Admission 2025: Class 9, 11 lateral entry registration deadline extended till November 19

Latest Question