3 angles of a triangle have measure 80°,70°and y.Find the value of y.
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Answered by
2
we know that
in triangle
a+b+c=180(sum of angle in triangle is 180)
80+70+y=180
150+y=180
y=30
so,
value of y is 30 degree
in triangle
a+b+c=180(sum of angle in triangle is 180)
80+70+y=180
150+y=180
y=30
so,
value of y is 30 degree
Answered by
1
Let third angle be y
80°+70°+y=180°{anglesum property of a triangle}
150°+y=180°
y=30°
Ans 3rd angle =30°
80°+70°+y=180°{anglesum property of a triangle}
150°+y=180°
y=30°
Ans 3rd angle =30°
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