Answer:
The answer is 25°.
Explanation:
simply,
here, a triangle of measure 99° and 56° is given.
now, we have;
99°+56+ x= 180° ( sum of an interior angle of a triangle is 180°)
or, 155°+x= 180°
or, x= 180°-155°
therefore, the value of x is 25°.
hope it helps..