176k views
1 vote
First try was incorrect

What is the value of x? Your answer may be exact or rounded to the
nearest tenth.
(4x-8)"
131*
61"

First try was incorrect What is the value of x? Your answer may be exact or rounded-example-1

2 Answers

4 votes

Answer:

x = 19.5

Explanation:

The interior angles of a triangle will ALWAYS have a sum of 180°

First try was incorrect What is the value of x? Your answer may be exact or rounded-example-1
User CCamilo
by
4.0k points
3 votes

Answer: 19.5

Explanation:

obtuse + acute = 180

131 + t = 180

t = 49 degrees for the top angle

49 + 61 + 4x-8 = 180 degrees in a triangle

110 + 4x - 8 = 180

102 + 4x = 180

4x = 78

x = 19.5

User Scrotty
by
4.4k points