What is it.................
2 answers:
<u>Answer:</u>
<u>Step-by-step explanation:</u>
<u>We know that:</u>
- 8x - 18 + 6x - 4 + 5x - 7 = 180
- ∠F = 5x - 7
<u>Work:</u>
- 8x - 18 + 6x - 4 + 5x - 7 = 180
- => 19x - 29 = 180
- => 19x = 209
- => x = 209/19
- => x = 11
- => 5x - 7
- => 5(11) - 7
- => 55 - 7
- => <u>48</u>
Hence, the value of ∠F is 48°.
Hoped this helped

Answer:
Step-by-step explanation:
Sum of all angles of triangle = 180
8x -18 + 6x - 4 + 5x - 7 = 180
8x + 6x + 5x - 18 - 4 - 7 = 180
Combine like terms
19x - 29 = 180
Add 29 to both sides
19x = 180 +29
19x = 209
Divide both sides by 19
x = 209/19
x = 11
∠F = 5x - 7
= 5*11 - 7
= 55 - 7
∠F = 48°
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