construct a triangle in the side ratio 2:3 and sum of two sides is in centimetre and angle between them is 120
Answers
Answered by
0
let the ratio of factor be x
therefore, 1st angle=2x
2nd angle = 3x
sum of three angles of a triangle= 180
2x+3x + 120= 180
5x + 120= 180
5x= 180-120
5x= 60
x= 60÷5
x= 12
therefore, the first angle = 2x= 12x 2= 24
second angle= 3x= 12x3= 36
hope it helps
therefore, 1st angle=2x
2nd angle = 3x
sum of three angles of a triangle= 180
2x+3x + 120= 180
5x + 120= 180
5x= 180-120
5x= 60
x= 60÷5
x= 12
therefore, the first angle = 2x= 12x 2= 24
second angle= 3x= 12x3= 36
hope it helps
Similar questions