Percent measn parts out of 100
105%=105/100=21/20
Look at the picture.
We have the proportion:

Answer: Rayan is 5 ft tall.
If a quadrilateral has four congruent sides and four right angles, then it's a square, and also If two consecutive sides of a rectangle are congruent, then it's a square.
Glad I could help, Have a great day!