Question

2. Fill in the blanks.
number of edges.
a) 1032 - 1022 = _______X (103 - 102).
b) (x + 3)2 - x - 3 = (x + 3) ×_______
c) If a polyhedron has 12 faces and 20 vertices, it will have_____number of edges​

Answer 1

Answer:

a) 1032 - 1022 = 10X (103 - 102).

b) (x + 3)2 - x - 3 = (x + 3) ×2 - x - 3

c) If a polyhedron has 12 faces and 20 vertices, it will have 8 number of edges