What is the measure of angle x°?

60°
30°
90°
180°

30°is answer

x+60+90=180(sum of interior angle of a triangle)

x=180-90-60=30

30 degrees

Step-by-step explanation:

You can see that this is a right angle. Right angles are a sum of 90 degrees, so you will do is :-

90 - 60 = 30 degrees

Hope this helps, thank you :) !!

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a