Step-by-step explanation:
<h2>
Sum of two complementary angle is 90°</h2><h2 /><h2>
so. </h2><h2>
<R+<S =90°</h2><h2>
12x-3+7x-2=90°</h2><h2>
19x-5=90°</h2><h2>
19x=95°</h2><h2>
X= 5</h2>
<h2>
<R= 60-3=57°</h2>
C = 11m c + m = 60
Substitute
11m + m = 60
12m = 60
m = 5
D
If there isnt more to the question about what A or B is then we cant determine what either of them are.
Answer:
which one ? and which one Questions
