I believe they call it a recurring number, for example, infinity is a recurring number.
answer: c. <em>l</em><em> </em>=p-2b/2
step by step:
p=2(1-b)
p=2<em>l</em>-2b
p+2b/2=2<em>l</em><em>/</em><em>2</em>
<em>l</em><em> </em><em>=</em><em>p</em><em>-</em><em>2</em><em>b</em><em>/</em><em>2</em>
Answer:
its c ! just took the test :)
Answer:
The correct answer is (c) 30°
Hope it helps