If A(-1, 3), B(4, 4), and C(8, 1), then classify ABC as scalene, isosceles, or equilateral.
The answer cannot be determined.
isosceles
Scalene
equilateral
7.
In the coordinate plane, three vertices of rectangle HIJK are H(0, 0), 1(0, d), and K(e, 0). What are the coordinates of point J?
(2e, 2d)
(d, e)
(e, d)
Option D
What is the solution to the proportion?
4/9 = m/63
1/28
28
5/7
7
Are the two triangles similar? How do you know?
yes; by SAS~
yes; by SSS~
yes; by AA~
no
10.
Which theorem or postulate proves the two triangles are similar? The figure is not drawn to scale.
SAS~ theorem
AA~ postulate
SA~ postulate
sss~ theorem
