Two positives make a positive
two negatives make a positive
1 negative and 1 positive make negative
1 positive and 1 negative make a negative
47 square units is the answer on edge
Answer:
133.45
Step-by-step explanation:
They are looking for arc length. The formula is
* 2πr
a quarter circle is 90°, so put 90 for n. 85 is the radius, so put that for r.
* 2 π (85)
133.45
Answer:
your welcome your answer gonna be the letter C