Pi was discovered way back already the way to Babylonians and Egyptians 216 BC but none were all the way accurate they were close
Make the same part of the first one
-3 + -3 = 0
-5 + 1 = -4
vector = < 0,-4 >
An adult can go online and search for the kind of ladder needed. Then they can choose the store they prefer. After that, they would decide what payment method to use. Shipping information would be entered, or they would go pick it up.
