| 1 |
If 2s = a + b + c, then in any triangle ABC: |
|
| 2 |
r r<sub>1</sub> r<sub>2</sub> r<sub>3</sub> = |
|
| 3 |
When two sides and included angle is given, then area of triangle is given by: |
|
| 4 |
If 2s = a + b + c, where a, b, c are the sides of a triangle ABC, then area of triangle ABC is given by: |
|
| 5 |
|
- A. right angled
- B. equilateral
- C. isosceles
- D. obtuse angled
|
| 6 |
With usual notations for triangle R equals: |
|
| 7 |
|
- A. r<sub>1</sub>
- B. r<sub>2</sub>
- C. r<sub>3</sub>
- D. r
|
| 8 |
A triangle which is not right angle triangle called ________ triangle: |
- A. acute
- B. obtuse
- C. right
- D. oblique
|
| 9 |
In triangle the length of the sides are 7, 4√3 and √13. Then the smallest angle is: |
- A. 15°
- B. 30°
- C. 60°
- D. 45°
|
| 10 |
In any triangle ABC, law of cosines is: |
|
