| 1 |
In triangle ABC, If Γ = 90° then: |
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| 2 |
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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| 3 |
The lengths of the sides of a triangle are proportional to the sines of the opposite angles to the sides. This is known as: |
- A. The law of sines
- B. The law of cosines
- C. The law of tangents
- D. The fundamental law
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| 4 |
A circle which touches one side of a triangle externally and the other two produces sides internally is known as: |
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| 5 |
In a triangle ABC, (s - a)(s - b) = s(s - c), then the angle Γ = |
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| 6 |
If 2s = a + b + c, then in any triangle ABC: |
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| 7 |
A circle passing though the vertices of a triangle is known as: |
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| 8 |
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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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| 9 |
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- A. 3:5:2
- B.
- C. 3:2:1
- D. 1:2:3
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| 10 |
In a triangle ABC b = √3, c = 1, α = 30° then a = : |
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