Question

find the value of x in the following.
please help me solve this problem.​

Answer 1

Answer:

$\implies$ Sum of exterior angles of polygon = 360°

(4x + 5)° + (x + 5)° + x + (2x - 10)° = 360°

4x + 5 + x + 5 + x + 2x - 10 = 360

8x + 0 = 360

8x = 360

x = 360/8

x = 45

$\implies$ So, x = 45°

Put value of x in all the values :

• (4x + 5)° = [(4 × 45) + 5] = [180 + 5] = 185°
• (x + 5)° = (45 + 5) = 50°
• x = 45°
• (2x - 10)° = [(2×45) - 10] = [90 - 10] = 80°

$\implies$ $\Large \underline \green {CHECK :}$

$\implies$ Sum of exterior angles of polygon = 360°

185° + 50° + 45° + 80° = 360° ✔️

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Answer 2

Answer:

Me too

Fine...❤️

Have a bangtan day ❤️