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3 votes
What is the value of x?

What is the value of x?-example-1

2 Answers

6 votes

Answer:45 độ

Explanation:

3x - 9 + 24 + 30 = 180 độ (là tổng 3 góc của tam giác)

3x + 45 = 180

3x = 180 - 45

x = 135/3

x = 45 độ

User Stefan Nobis
by
4.7k points
0 votes

Answer:

45 degree

Explanation:

3x - 9 + 24 + 30 = 180 degree (being sum of interior angles of a triangle)

3x + 45 = 180

3x = 180 - 45

x = 135/3

x = 45 degree

User TheSatinKnight
by
3.4k points