Question

one angle of triangle is 60° the other two angle are in ratio 5:7 find the two angle​

Answer 1

Answer:

let the angle be 5x and 7x

60°+5x+7x = 180 ( Angle sum property )

12x= 120

x = 10

So the angles are

5 ×10= 50°

7×10 = 70°

Hope it helps you

Answer 2

$let \: the \: the \: other \: angle \: \: be \: 5x \: and \: 7x$

then,

$5x + 7x + 60 = 180 \\(by \: angle \: sum \: property \: of \: a \: triangle)$

then, 12x +60=180

12x= 180-60

12x =120

x= 120/12=10

5x=50

and, 7x=70

hence other two angles are :

50 and 70

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