Question

Two angles measure (40 -a)° and (105+2a)°. If each one is supplement of the other then the
value of 'a' is_
(a) 25
(b) 35
C)45
(d) none of these​

Answer 1

Answer:

(b) 35°

Step-by-step explanation:

ATQ

(40-a)+(105+2a) = 180°

a+145 = 180°

a = 180-145

a = 35°