Consider the points A(2,3,7), B(0,3,3), and C(5,2,-4). Find a) The largest angle in triangle Abc b)The area of triangle abc

Draw an obtuse triangle and construct the three perpendicular bisectors of its sides. Do the perpendicular bisectors of the three sides appear to meet at a common point?

Classify as true or false: a If the midpoints of two sides of a triangle are joined, the triangle formed is similar to the original triangle. b Any two isosceles triangles are similar.

Draw parallelogram RSTV so that the diagonals have the lengths RT=5 and SV=4. Which two angles of RSTV have the greater measure?