Could not find these no matter how much i looked, please help and thanks in advance: rst has vertices r(3,0) and s(5,4) has an area of 10 square units, which is not a possible location for the third vertex

area of a triangle with vertices a(-3,2) b(1,-2) and c(1,3)

bd is an altitude of abc, what is the exact area of abc

find the area and perimiter of the polygon with vertices a(-3,0) b (3,4) c(5,1) and d(-1,-3)