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