Question

please answer fast.....​

Answer 1

We know that sum of all angles of a triangle is = 180°

Take the missing interior angle as y

Now,

80+50+y =180

130+y = 180

y = 50°

Now,

$x + y = 180$

Linear Pair

$x + 50 = 180 \\ x = 130$

So x = 130°