Question

calcule o volume a área total e diagonal do paralelepipedo retangulo 2,5 3 e 8

Answer 1

V = 2,5 x 3 x 8
V = 7,5 x 8
V = 60

AT = 2 x 2,5 x 3 + 2 x 8 x 3 + 2 x 2,5 x 8
AT = 15 + 48 + 40
AT = 103

d = \/(a²+b²+c²)
d = \/[(2,5)² + 3² + 8²]
d = \/(6,25 + 9 + 64)
d = \/79,25
d ~ 8,9