Classify each triangle write acute, right or obtuse

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

What is the area of the triangle 10 13 12

Does the point (1, sqrt 7) lie on circle shown.