Question

Does anybody know how to do this? question number 8

Answer 1

Square Root of 6 is about 2.45 and multiply by 2 is about 4.89. 

a2 + b2 = c2

4.89 squared + 5 squared = 7  squared 

23.91 + 25 = 49

48.91= 49

It might be yes. :P

Answer 2

Of course! 2 of the square root of six is roughly 4.89, rounded up being 5.