The ratio between the base angle and the vertical angle of an isosceles triangle is 2:5.Fimd each angle of the triangle
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Let us take the given ratio be 2x : 5x
So 2x + 2x +5x = 180
or. 9x. = 180
so x. =20
so base angles = 2x = 40
and vertex angles = 5x = 100
So 2x + 2x +5x = 180
or. 9x. = 180
so x. =20
so base angles = 2x = 40
and vertex angles = 5x = 100
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