Question

I need help please for geometry

Answer 1

EF ≈ 1.98

Explanation:

Using the sine ratio in the right triangle

sin26° =
`(opposite)/(hypotenuse)` =
`(EF)/(FD)` =
`(EF)/(4.5 )` ( multiply both sides by 4.5 )

4.5 × sin26° = EF

4.5 × 0.44 = EF , that is

EF ≈ 1.98 ( to 2 dec. places )