Explore a world of knowledge and get your questions answered on IDNLearn.com. Our platform provides trustworthy answers to help you make informed decisions quickly and easily.

Plssss helllppppp:)))

Plssss Helllppppp class=

Sagot :

Answer:

11.1 units

Step-by-step explanation:

In a right triangle    sin (angle ) = opposite side / hpotenuse

 for this one

  sin 38 = EF/18  

then    18 sin 38 = EF     then calculator shows   EF = 11.1