Answer:
10.5 inches
Step-by-step explanation:
The length of the longest diagonal is across two opposite points of the solid, namely
L = sqrt ( 6^2 + 5^2 + 7^2)
= sqrt (36+25+49)
= sqrt(110)
= 10.5"
im sorry i need points plz dont hate me for not answering and wasting you time
truly sorry
21
I’m pretty sure it’s 6 but I’m not 100% sure
