The angles of a triangle are x, y and 40 degree. the difference between the two angles x and y is 30 degree. find x and y by substitution method
Answers
Answered by
4
x-y = 30.....(1)
x+y+40=180°
X+y=140°….....(2)
add (1) & (2)
2x= 170
x= 85
then y= 55
x+y+40=180°
X+y=140°….....(2)
add (1) & (2)
2x= 170
x= 85
then y= 55
Similar questions