This is Pythagorean theorem.
We already know a and c.
a = 4 and c = 10
4² + b² = 10²
16 + b² = 100
Subtact 16 from each side.
b² = 84
Square root of each side:
b = ≈9.165 or √84
Hope this helps!
Answer:
Step-by-step explanation:
let ∠GEF=x
then ∠GFE=90-x

Answer:91 i think
Step-by-step explanation:
Ya sure....
Just wait......
Have a beautiful and joyful day ahead.