| 1 |
In a triangle ABC if a<sup>2</sup> - b<sup>2</sup> + c<sup>2</sup> = ac then < ß = |
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| 2 |
A triangle which is not right angle triangle called ________ triangle: |
- A. acute
- B. obtuse
- C. right
- D. oblique
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| 3 |
In any triangle ABC, law of tangents is: |
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| 4 |
If triangle ABC, If ß = 90° then: |
- A.
- B.
- C.
- D. none of these
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| 5 |
r<sub>2</sub> = |
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| 6 |
The in-radius r of a triangle is given by: |
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| 7 |
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| 8 |
If 2s = a + b + c, 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 |
A circle drawn inside a triangle and touching its sides is known as: |
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