Question

two adjacent angles lying on a straight line are in ratio 7:11 .
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Answer 1

Answer:

let two angles be 11x and 7x

ATQ

7x + 11x = 180 degree ( LP)

18x=180

x=10

therefore : angles are

7 x 10 = 70 degrees

11 x 10 = 110 degrees

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Step-by-step explanation:

Answer 2

let first angle = 7x

and second angle = 11x

we know, sum of two adjacent angles =180°

so,

7x + 11x = 180°

18x = 180°

x = 10

so, first angle = 7x = 7×10=70°

second angle = 11x =11×10= 110°