This is easy, you just divide 372 by 215 - it's an increase of <span>73.02%</span>
8:
A line can intersect a circle twice. So, two lines intersect one circle 4 times. Two lines can intersect two circles 8 times.
Hope this helps!
Answer:
The first 20 decimal places of pi are 3.14159265358979323846
This can be determined using a long set of complex calculations. However, they are readily available to you online or in most geometry textbooks for your use.
Step 2 is wrong and i don't know the other question