Bunuel wrote:
The ratio of the degree measures of the angles of a triangle is 2:3:4. Which of the following is the sum of the degree measures of the smallest and largest angles?
A) 40
B) 80
C) 100
D) 120
E) 140
A) 40
B) 80
C) 100
D) 120
E) 140
Given ratio of angles of a triangle is 2:3:4, 2x + 3x + 4x = 180
9x = 180
x = 20
smallest = 2x = 2*20 = 40
largest = 4x = 4*20 = 80
40 + 80 = 120 ans D