Find a diagonal of a cube whose edge is 15 cm
Answers
Answered by
3
Answer:
Step-by-step explanation:
formulas for a cube:
Volume of a cube: V = a. ...
Surface area of a cube: the area of each face (a x a) times 6 faces. S = 6a. ...
Face diagonal of a cube: By the pythagorean theorem we know that. f2 = a2 + a. Then f2 = 2a. ...
Diagonal of the solid cube: Again, by the pythagorean theorem we know that. d2 = a2 + f
Similar questions