The area of a triangle is
(4.5feet)(5.75feet) and that would equal 12.9375 feet²
The third one is the answer for this question
You can solve this with next proportion =>
3 : 5 = 4 : x => 3x= 5*4 => 3x = 20 => x=20/3 = 6 (2/3)
The correct answer is x= 6 (2/3)
Good luck!!!