| Recipient | Post | Date |
| Carcass | RST lies in the xy-plane and points R and T have (x, y) coo | 18-Jun-2020 |
| sagnik242 | Re: figure above, ABCD is a parallelogram. | 18-Jun-2020 |
| Carcass | Sand T are each rectangular tiles, 2 inches by 8 inches, and | 18-Jun-2020 |
| Carcass | 125(625)/25=5^n | 18-Jun-2020 |