If it’s an angle I think 90% but if not maybe 24 all around
Answer:

Step-by-step explanation:
Pythagorean Theorem: 
BC= x
AB= 10 cm
AC= 8 cm
~
Now, Substitute




Square root x^2= x, √(36)=6

Therefore, the length of x = 6
~
Answer:
45
Step-by-step explanation:
Ion know tbh
Answer:
150 m.
Step-by-step explanation:
SA= 6xa²
A cube has six sides so you factor that in. What you do is square the length of one of the sides and then multiply by how many sides there are.
5^2=25
25x6=150.