Question

Q
6.
In the figure, twice of x is 30° less than y, then the values of x& y are
respectively, given OB & OA are opposite rays.
a) 130°, 50°
b) 50°, 130
c) 100°, 80°
d) 750, 105
80
Class IX - Mathematics
please answer in step wise​

Answer 1

Answer:

1490* is your answer for this question

Answer 2

Answer:

2x = y - 30°

y = 2x + 30

x+y = 180°

Now,

x + 2x + 30 = 180 ( y = 2x + 30)

3x + 30 = 180

3x = 180 - 30

3x = 150

x = 50

y = 2 * 50 + 30°

y = 130 °

x = 50° , y = 130°

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