Sum of two angles of a triangle is 90 0 and their difference is 50 0 . Find all the angles of the triangle.
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Answered by
140
x+y=90
x-y=50
so x+y+x-y=90+50
so x+y+x-y=140
2x=140
x= 70
first angle is 70 degree
x+y=90
so y= 90-70
second angle is 20 degree
let the 3rd Angle Be Z
then z+70+20=180
z=180-90
third angle is 90 degree
x-y=50
so x+y+x-y=90+50
so x+y+x-y=140
2x=140
x= 70
first angle is 70 degree
x+y=90
so y= 90-70
second angle is 20 degree
let the 3rd Angle Be Z
then z+70+20=180
z=180-90
third angle is 90 degree
Answered by
14
Answer:
90 Degree is the correct answer
may it help you
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