If ΔABC ≅ ΔEDF where the coordinates of A(0, 2), B(2, 4), and C(2, −1), what is the measure of DF? 3 3.1 5 5.9

Question

If ΔABC ≅ ΔEDF where the coordinates of A(0, 2), B(2, 4), and C(2, −1), what is the measure of DF?

1.  3 
2. 3.1 
3. 5 
4. 5.9

Answer 1

BC ≅ DF

So, the measure of DF is the same as the measure of BC.

Use the distance formula.