3 years ago

Hii also wondering if anyone knows how to solve this :( thank you

Mathematics

2 answers:

Scilla [17]3 years ago

7 0

Answer:

x = 7

Step-by-step explanation:

The sum of interior angles is equal to 360°

9x - 4 + 8x + 2 + 13x + 30 + 19x - 11 = 360° add like terms

49x + 17 = 360 subtract 17 from both sides

49x = 343 divide both sides by 49

x = 7

replace x with the value we found to calculate each angle.

ratelena [41]3 years ago

3 0

Answer:

x = 7

Step-by-step explanation:

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