Answer:
Height is 28 in.
Step-by-step explanation:
We use Pythagoras' theoretical c^2=a^2+b^2, c=53in, a=45 in, b=height
b=?
53^2=45^2+b^2
2809=+b^2
b^2 =2809-2025
b^2 =784
b=sqrt(784)
b=28 in
the hight is 28
