Answer:
<A = 74
Explanation:
We know that being complementary angles refer to..Sum of two angles = 90°.
So,
<A + <B = 90
i.e. (7x + 25) + (x+9) = 90
or, 8x + 34 = 90
or, 8x = 90-34
or, x = 56/8
or, x = 7
Again,
<A = 7x + 25
or, <A = 7*7 + 25
or, <A = 74
•°• <A = 74..... Is your ANS