Math, asked by simranprasai, 5 hours ago

plz find the unknown angle

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Answers

Answered by Ravi2412
1

Answer:

60°, 120° & 180°

Step-by-step explanation:

c) x+10+2x+20+3x+30=360

6x+60=360

x=300/6 = 50°

fol low me pls

Answered by siddharth614979
1

Step-by-step explanation:

sum of all exterior angles = 360°

ACQ:

(2x + 20°) + (x+10°) + (3x+30°) = 360°

=> 2x + 20° + x + 10° + 3x + 30° = 360°

=> 2x + x + 3x +20°+10°+30° = 360°

=> 6x + 60° = 360°

=> 6x = (360-60)°

=> 6x = 300°

=> x = (300/6)°

=> x = 50°

=> 2x + 20° = 2(50)° +20° = 100°+20° = 120°

=> x + 10° = 50°+10° = 60°

=> 3x + 30° = 3(50°) + 30° = 150°+30°

= 180°

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