The angles of a triangle are 2x, 3x, and 4x degrees. Find the value of x. A) 20 B) 30 C) 40 D) 50

asked Feb 24, 2016 44.8k views

1 vote

The angles of a triangle are 2x, 3x, and 4x degrees. Find the value of x.

A)
20
B)
30
C)
40
D)
50

8.2k points

Please log in or register to add a comment.

5 votes

(2x)° + (3x)² + (4x)° = 180°
(2x + 3x + 4x)° = 180°
(9x)° = 180°
9 9
x = 20°

The answer is A.

Soumyaansh answered Feb 24, 2016

8.2k points

5 votes

The sum of the angles equals 180
So 2x+3x+4x=180
9x=180
x=20

Dipto answered Feb 28, 2016

by Dipto

8.4k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers