Answer:
10.5cm
Step-by-step explanation:
5²+6²=61
√61=7.81
7.81²+7²=110
√110=10.5cm
AB ≈ 10.5 cm
The space diagonal AB is calculated as
AB = [tex]\sqrt{5^2+6^2+7^2}[/tex]
= [tex]\sqrt{25+36+49}[/tex]
= [tex]\sqrt{110}[/tex] ≈ 10.5 cm ( to 1 dec. place )
