∆ABC has the points A(1, 7), B(-2, 2), and C(4, 2) as its vertices.
The measure of the longest side of ∆ABC is ______ units. ∆ABC is_____ triangle.
If ∆ABD is formed with the point D(1, 2) as its third vertex, then ∆ABD is _____ triangle. The length of side AD is ______ units.
1.
B.29^(1/2) .
C.34^(1/2)
D.6
2.
A.equlaterial
B.isoclese
C.right
D.scalene
3.
A.equilateral
B.right isosceles
C.right scalene
D.non-right isosceles
E.non-right scalene
4.
A.3
B.5
C.8
D.10