The vertices of ^ABC are A(1, 1), B(9, 3), and C(3, 5).
Chapter 1, Problem 26(choose chapter or problem)
The vertices of ^ABC are A(1, 1), B(9, 3), and C(3, 5). (a) Find the perimeter of ^ABC. (b) Find the perimeter of the triangle that is formed by joining the midpoints of the three sides of ^ABC. (c) Compute the ratio of the perimeter in part (a) to the perimeter in part (b). (d) What theorem from geometry provides the answer for part (c) without using the results in (a) and (b)?
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