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6 votes
HELP PLEASEEEEE!!!!!

HELP PLEASEEEEE!!!!!-example-1
User Stephen Cheng
by
2.5k points

2 Answers

22 votes
22 votes

Answer:

C) 29

Explanation:

All triangles add up to 180 degrees,

subtract the known 59 from 180 to get 121.

then combine (3x) and (x + 5) to get 4x + 5

4x + 5 = 121 solve

4x = 116

x = 29

User Pepsighan
by
3.0k points
17 votes
17 votes

Answer:

x = 29

Explanation:

Sum of interior angles of a triangle = 180°

⇒ 59 + 3x + x + 5 = 180

⇒ 4x + 64 = 180

⇒ 4x = 116

⇒ x = 29

User Derokorian
by
2.7k points