1. 
A triangle's coordinates are A (0, 0), B (0, 3), and C (3, 0). What kind of triangle is ∆ABC?Acute scalene

2. 
A triangle's coordinates are A (2, 0), B (1, 7), and C (4, 0). What kind of triangle is ∆ABC?Isosceles

3. 
A triangle's coordinates are A (8, 2), B (3, 9), and C (5, 2). What kind of triangle is ∆ABC?Scalene

4. 
An equilateral triangle has two points at and (1, 0). Where will the remaining point be?(3, 0)

5. 
What can be said about ∆AOB? ∆AOB is a right triangle

6. 
If C is the midpoint of AB, which of the following is true? The coordinates of C are (b, a)

7. 
What is the distance from A to B?

8. 
What is the distance from C to the origin?

9. 
Which of the following triangles are isosceles? Both (B) and (C)

10. 
Which of the following is false? ∆ACO ≅ ∆BCO
