Question

if interior angle are in 7:2ratio find that angle​

Answer 1

Answer:

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Let the angle be x

To find- Value of angle

$7x + 2xy \: = 180$

$9xy \: = 180$

$x = 20$

Now,

$7 \times 20 = 140$

$2 \times 20 = 40$

Therefore Angle (x,y)= (140°, 40°)