Question

9.a)
One of the exterior angle of a triangle is 120° and the ratio of interior opposite angles
are 1: 5 find the angles. (or)
b)
in the figure find the x, y

Answer 1

Step-by-step explanation:

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Answer 2

Let the ratios be x

so, 1x+5x+120=180 (sum of all angles of triangle )

Then , 6x +120 =180

= 6x= 60

= x = 60÷ 6

= x = 10

1x= 1×10=10

5x= 5×10=50

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