Answer :
Step-by-step explanation:
Since ∠E is right angle, its opposite side is DF and the legs are DE and EF.
Pythagorean applied:
- [tex]DF^2 = DE^2+EF^2[/tex]
As per we know according to Pythagorean theorem
- H^2=P^2+B^2
Here
- H=DF
- P=DE
- B=EF
[tex]\\ \tt\hookrightarrow DF^2=DE^2+EF^2[/tex]