Question

Kindly tell question number seven

Answer 1

Answer:

Given : y:z = 3:7

To find : The value of x

Solution :

y : z = 3 : 7

Let angle y be 3x

and angle z be 7x

angle CNO = angle z [Alternate angles]

Angle Y + angle Z = 180° [VOA]

3x + 7x = 180°

10x = 180°

x = 180/ 10

x = 18 °

Therefore,

Angle Y = 3x = 3(18) = 54°

Angle Z = 7x = 7(18) = 126°

Angle BMN = angle Y

angle BMN + angle X = 180° [VOA]

Angle Y + angle X = 180°

54° + angle X = 180°

Angle X = 180 - 54

Angle X = 126°

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