| 1 |
With usual notations for triangle R equals: |
|
| 2 |
In triangle ABC, if α = 90° then: |
- A.
- B.
- C.
- D. none of these
|
| 3 |
In any triangle ABC, law of cosines is: |
|
| 4 |
In a triangle ABC if a<sup>2</sup> - b<sup>2</sup> + c<sup>2</sup> = ac then < ß = |
|
| 5 |
If 2s = a + b + c, then in any triangle ABC: |
|
| 6 |
|
- A. 3:5:2
- B.
- C. 3:2:1
- D. 1:2:3
|
| 7 |
r r<sub>1</sub> r<sub>2</sub> r<sub>3</sub> = |
|
| 8 |
A triangle which is not right angle triangle called ________ triangle: |
- A. acute
- B. obtuse
- C. right
- D. oblique
|
| 9 |
In triangle ABC, If Γ = 90° then: |
|
| 10 |
In 2s = a + b + , then in any triangle ABC: |
|