| |
| |
1. |
Which figure shows  with m M = 90; mP > mN, and MP < MN? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
2. |
Triangle RST is isosceles with  as the vertex angle. If ST = 3x - 11, SR = x + 3, and RT = x - 2, find RT. |
| |
|
 |
| |
|
A. |
14 |
B. |
5 |
| |
|
C. |
7 |
D. |
9 |
| |
|
Hint |
|
| |
3. |
Which triangle is isosceles? |
| |
|
A. |
 with vertices A(3,0), B(0,6), and C(3,6) |
| |
|
B. |
 with vertices R(3,5), S(1,-8),and T(-1,7) |
| |
|
C. |
 with vertices F(-1,-5), G(-3,4), and H(5,2) |
| |
|
D. |
with vertices M(4,5), N(4,2), and P(-5,2) |
| |
|
Hint |
|
| |
4. |
Which statement is not true? |
| |
|
A. |
In an isosceles triangle, the base is congruent to one of the legs. |
B. |
A triangle can be obtuse and isosceles. |
| |
|
C. |
A triangle cannot be obtuse and contain a 90° angle. |
D. |
A triangle cannot be scalene and isosceles. |
| |
|
Hint |
|
| |
5. |
 ABC is ______. |
| |
|
 |
| |
|
A. |
scalene and acute |
B. |
equilateral |
| |
|
C. |
scalene but not acute |
D. |
isosceles and scalene |
| |
|
Hint |
|
|
|