Home
Class 8
MATHS
Can a polyhedron have for its faces(i)  ...

Can a polyhedron have for its faces(i)        3 triangles?(ii)       4 triangles?(iii)       a square and four triangles?

Text Solution

Verified by Experts

The correct Answer is:
1) no, minimum 4 faces 2) Yes, 3) Yes.

1) no, minimum 4 faces 2) Yes, 3) Yes.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • VISUALISING SOLID SHAPES

    NCERT ENGLISH|Exercise EXERCISE 10.3|8 Videos
  • UNDERSTANDING QUADRILATERALS

    NCERT ENGLISH|Exercise EXERCISE 3.3|11 Videos

Similar Questions

Explore conceptually related problems

Can a polyhedron have for its faces: 3 triangles? (ii) 4 triangles? a square and four triangles?

Can a polyhedron have 8 faces, 26 edges and 16 vertices ?

Knowledge Check

  • Which of the following must be true? (I) The area of triangle P. (II) The area of triangle Q. (III) The area of triangle R.

    A
    I = II = III
    B
    I lt II lt III
    C
    I gt II lt III
    D
    III lt I lt II
  • Similar Questions

    Explore conceptually related problems

    Can a polyhedron have 10 faces, 20 edges and 15 vertices?

    Can a polyhedron have 10 faces, 20 edges and 15 vertices?

    Can a polyhedron have 14 faces, 24 edges and 33 vertices?

    Explain the following terms: (i) Triangle (ii) parts or elements of a triangle (iii) Scalene triangle (iv) isosceles triangle (v) Equilateral triangle (vi) acute triangle (vii) Right triangle (viii) obtuse triangle (ix) Interior of a triangle (x) exterior of a triangle.

    Explain the following terms: (i) Triangle (ii) parts or elements of a triangle (iii) Scalene triangle (iv) isosceles triangle (v) Equilateral triangle (vi) acute triangle (vii) Right triangle (viii) obtuse triangle (ix) Interior of a triangle (x) exterior of a triangle.

    In each of the following, state if the statement is true (T) or false (F): (i) A triangle has three sides. (ii) A triangle may have four vertices. (iii) Any three line-segments make up a triangle. (iv) The interior of a triangle includes its vertices. (v) The triangular region includes the vertices of the corresponding triangle. (vi) The vertices of a triangle are three collinear points. (vii) An equilateral triangle is isosceles also. (viii) Every right triangle is scalene. (ix) Each acute triangle is equilateral. (x) No isosceles triangle is obtuse.

    A child's game has 8 triangle of which 3 are blue and rest are red, and 10 square of which 6 are blue and rest are red. One piece is lost at random. Find the probability that it is a (i) trinagle (ii) square (iii) square of blue colour (iv) triangle of red colour