1 |
A circle which touches one side of a triangle externally and the other two produces sides internally is known as: |
|
2 |
If 2s = a + b + c, then in any triangle ABC: |
|
3 |
When two sides and included angle is given, then area of triangle is given by: |
|
4 |
|
- A. right angled
- B. equilateral
- C. isosceles
- D. obtuse angled
|
5 |
In a triangle ABC if a<sup>2</sup> - b<sup>2</sup> + c<sup>2</sup> = ac then < ß = |
|
6 |
With usual notations for triangle R equals: |
|
7 |
In triangle ABC, If Γ = 90° then: |
|
8 |
A triangle which is not right angle triangle called ________ triangle: |
- A. acute
- B. obtuse
- C. right
- D. oblique
|
9 |
r<sub>1 </sub>= |
|
10 |
In any triangle ABC, law of tangents is: |
|