Answer:
x = 3.16
Step-by-step explanation:
x * x = 10
square root both sides
x is appr. 3.16
x= √-10, √ 10
hey
diagonal PQ = root over l²+b²+h²
= root over 9+16+144
root over 169
=13 is your answer
what is the problem it doesn't show anything