Question

4^2+5^2+___^2=21^2 please give answer​

Answer 1

Answer:

4^2+5^2+_____^2=21^2

Step-by-step explanation:

4^2=8

5^2=25

12^2=144

then the answer will be

4^2+5^2+12^2=21^2

hope it is correct

Answer 2

4^2+5^2+___^2=21^2

ANSWER = 12