Question

the two angles measuring 3a-30 and (125+2a are supplementary to each other find the value of a and the measure of the angles

Answer 1

Answer:

a=25°

Step-by-step explanation:

hello here is your answer

(30-a)+(125+2a)=180°

or, 30-a+125+2a=180°

or, a=180°-155°

or, a=25° 【Answer】