Right triangle, so one angle = 90 and sum of the other 2 angles = 90
so
71x - 1 + 20x = 90
91x = 91
x = 1
<A = 20(1) = 20
answer
<A = 20 degrees
A and c are correct I'm in k12 took it already
Answer: what is the question?
Step-by-step explanation:
Wouldent the answer be A because all percents are out of 100 so the 1.9 would be 9 over 100