His average speed is 2.27 meters per second
Answer:
The numerator factors to

The denomenator factors to

I am not sure but i think is a
I’m not 100% sure but I think it’s because 20/25 can still be simplified further, while the other 3 can’t.
Answer:
Solution given:
y=25 [base side of isosceles triangle]
sin 45=opposite/hypotenuse
sin45=25/x
x=25/sin45
x=25√2