| 1 |
In a triangle ABC b = √3, c = 1, α = 30° then a = : |
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| 2 |
In 2s = a + b + , then in any triangle ABC: |
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| 3 |
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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| 4 |
In a right isoceles triangle, one acute angle is: |
- A. 30°
- B. 45°
- C. 60°
- D. 75°
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| 5 |
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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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| 6 |
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| 7 |
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- A. right angled
- B. equilateral
- C. isosceles
- D. obtuse angled
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| 8 |
If 2s = a + b +c, then in any triangle ABC: |
- A.
- B.
- C.
- D. none of these
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| 9 |
A circle which touches one side of a triangle externally and the other two produces sides internally is known as: |
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| 10 |
r<sub>3</sub> = |
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