If the angle of triangle are in the ratio 1:4:5, find the angles
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Answer:
ratio = 1:4:5
let ratio =1x:4x:5x
we know that sum of all angles of a triangle is 180°
AtoQ
1x+4x+5x=180° (angle sum property)
10x=180°
x=180°/10
x=18°
angle 1=18°
angle 2= 4×18°=72°
angle 3= 5×18°=90°
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