What is the area of the obtuse triangle given below?

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

True or false? a circle could be circumscribed about the quadrilateral below.

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet