renaaa7
contestada


E
(5x + 9)
(30-3x)
A
Find the value of angle DFE
Angle BFC=Angle DFA=Angle EFA + Angle DFE
Solve for x, then use substitution for 27+2x
5x+9=30-3x+27+2x
Everything is on the picture

E 5x 9 303x A Find the value of angle DFE Angle BFCAngle DFAAngle EFA Angle DFE Solve for x then use substitution for 272x 5x9303x272x Everything is on the pic class=

Respuesta :

9514 1404 393

Answer:

  43°

Step-by-step explanation:

Following the instructions is generally useful.

  5x +9 = 30 -3x +27 +2x

  6x = 48 . . . . add x-9

  x = 8 . . . . . . .divide by 6

  27 +2x = 27 +2(8) = 43 . . . . substitute into the expression for angle DFE

angle DFE = 43°