Answer:
48°
Explanation:
A/C, 6x - 4 + 8x - 18 + 5x - 7 = 180°
or, 19x - 29 = 180°
or, x = 209 ÷ 19 = 11
So, x equals 11.
Now, Angle F = (5 × x) - 7 = (5 × 11) - 7 = 55 - 7 = 48°
Hence, Angle F measures 48°.
HOPE IT HELPED BUDDY!
Angle F i= 48 degrees
Sum of angles in a triangle= 180°
8x -18+ 6x-4+5x-7= 180
Collect like terms
8x +6x +5x -18 -7-4=180
19x-29=180
19x = 180 +29
19x=209
x=209/19
x= 11
⇒Angle F= 5x-7
= 5(11)-7
= 55-7
=48 degrees
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