Sum of number of pentagonal and rectangular faces is x in truncated pentagonal bipyramidal geometry,then find the value of 2x.

Find the number of hexagonal faces that are present in a truncated octahedral.

Find the number of degree in each exterior angle of a regular pentagon.

If the sum of zeroes of the polynomial 3x^(2)-2kx+5 is 4, then find the value of k.

Total number of faces in a truncated octahedron=x Total number of faces in a truncated tetrahedron=y Then x+y is :

State, the number of faces, number of vertices and number of edges of: (a) pentagonal pyramid (b) a hexagonal prism

In a regular trigonal bipyramidal MX_(5) , the number of X - M - X bonds at 180^(@) is

If the sum of zeroes of the polynomial x^(2)+2kx-12 is 1, find the value of k.

If x and y are positive real numbers such that 2log(2y - 3x) = log x + log y," then find the value of " x/y .

The figure, given below, shows a pentagon ABCDE with sides AB and ED parallel to each other, and angleB : angleC : angleD= 5:6: 7. (i) Using formula, find the sum of interior angles of the pentagon (ii) Write the value of angleA+angleE . (iii) Find angles B,C and D