Find the area of the polygon with vertices D(3,2), E(4,2),andF(3,2)

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

What is found within a ranger tower overlooking a drained lake

If u make mistakes on a school trip to knotts like standing up on a ride too early and they ask you not to do it again or and if you do it again you will be escorted out will it go on my student record? yes i know it is a dumb question