Question

find the number of face if nmber of edes is 10 and vertex is

(a) 6
(b) 7
(c) 8
(d) none of these

Answer 1

HEY MATE HERE IS UR ANSWER


THE NUMBER OF EDGES AND VERTEXES GIVEN ARE



EDGES = 10

VERTEX = 6

FACES = ?

NOW TO FIND THE NUMBER OF FACES WE HAVE A FORMULA CALLED EULER'S FORMULA

WHICH IS

FACES + VERTEX - EDGES = 2

SO PUTTING VALUES OF EDGES AND VERTEX WE HAVE


FACE + 6 - 10 = 2


FACE + 6 = 2 + 10


FACE + 6 = 12

FACE = 12 -6

HENCE THE NUMBER OF FACES ARE

FACE = 6

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