Since the values are the same on both sides the matrix value is a=1
Answer: 100
Hi!
ok so the Pythagorean theorem is

so the other side is 10.
the square 8 is 8*8
and square 6 is 6*6
so the other square is 10*10=100.
so the area of the blank square is 100.
Step-by-step explanation:
Can I have brainliest?
Thanks!
Have a nice day!
25 is the answer hope that helped