Home
Class 12
MATHS
Let Tn be the number of all possible ...

Let `T_n` be the number of all possible triangles formed by joining vertices of an n-sided regular polygon. If `T_(n+1)-T_n=""10` , then the value of n is (1) 5 (2) 10 (3) 8 (4) 7

A

10

B

8

C

7

D

5

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THEORY AND EXERCISE BOOK

    MOTION|Exercise EXERCISE - 4 (LEVEL -II)|22 Videos

  • THEORY AND EXERCISE BOOK

    MOTION|Exercise EXERCISE -3|23 Videos

  • TANGENT & NORMAL

    MOTION|Exercise EXERCISE 4|14 Videos

  • THREE DIMENSIONAL GEOMETRY (3 -D)

    MOTION|Exercise SOLVED EXAMPLE|33 Videos

Similar Questions

Explore conceptually related problems

Let T_(n) be the number of all possible triangles formed by joining vertices of an n-sided regular polygon. If T_(n+1)-T_(n)=19 then the value of n, is

Let T_(n) denote the number of triangles,which can be formed using the vertices of a regular polygon of n sides.It T_(n+1)-T_(n)=21, then n equals a.5 b.7 c.6 d.4