Answer:
4/20 - 5/20 = -1/20, and therefore, since the answer is negative, you've proven that 5/20 (or the original 1/4) is actually the bigger number, not the 4/20 (or 1/5).
Step-by-step explanation:
Answer: 75 degrees
Step-by-step explanation: supplementary means 180 so you do 180-105 which is 75
No it is NOT possible - that would mean the final angle would also have to be ninety degrees making it a square or rectangle. :)
Depends if it is a right triangle or not and if it is u will use the pothygerem theorem or the distance formula