Sum of lengths of all edges of a cube is 84 cm, find its volume:-
Answer & explanation
Correct answer: option 2
Side of a cube = a
Total edges in a cube = 12
ATQ,
Sum of all edges = 84
12a = 84
a = 7
Volume of cube = a3 = 73 = 343 cm3
Sum of lengths of all edges of a cube is 84 cm, find its volume:-
Correct answer: option 2
Side of a cube = a
Total edges in a cube = 12
ATQ,
Sum of all edges = 84
12a = 84
a = 7
Volume of cube = a3 = 73 = 343 cm3