I think the answer is A.
It's probably wanting you to use pythagorean theorem.
Answer:
1428
Step-by-step explanation:
I did 16 times 8.5 times 10.5. Good Luck!
Answer:
The given equation is NOT justified.
Step-by-step explanation:
Here, the given equation is
= 
Now, here Consider the left hand side and simplifying the left side by operating on the like terms,
⇒
= 
=
Here, Left side of equation ≠ Right side of the equation
Hence,
≠ 