| 1 |
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| 2 |
If 2s = a + b +c, then in any triangle ABC: |
- A.
- B.
- C.
- D. none of these
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| 3 |
In a triangle ABC b = √3, c = 1, α = 30° then a = : |
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| 4 |
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- A. r<sub>1</sub>
- B. r<sub>2</sub>
- C. r<sub>3</sub>
- D. r
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| 5 |
In any triangle ABC, law of tangents is: |
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| 6 |
If α, ß, Γ are the angles of a oblique triangle, then: |
- A. α = 90°
- B. ß = 90°
- C. Γ = 90°
- D. none of these
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| 7 |
When two sides and included angle is given, then area of triangle is given by: |
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| 8 |
In 2s = a + b + , then in any triangle ABC: |
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| 9 |
If 2s = a + b + c, where a, b, c are the sides of a triangle ABC, then area of triangle ABC is given by: |
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| 10 |
In triangle ABC, If Γ = 90° then: |
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