Question

Ayuda :( ...........................................................

Answer 1

5)

180° = 3X+Φ

Φ = 180°-3X

360° = X + 2X + 3X + (360°-Φ)

360° = 6X + 360° - (180°-3X)

0 = 6X - 180° + 3X

180° = 9X

20° = X

6)

180° = X + Φ + α

180° - X = Φ + α

180° = 40° + 2(Φ + α)

180° - 40° = 2(180° - X)

140° = 360° - 2X

2X = 220°

X = 110°