| 1 |
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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 |
r r<sub>1</sub> r<sub>2</sub> r<sub>3</sub> = |
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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 |
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| 6 |
A circle passing though the vertices of a triangle is known as: |
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| 7 |
If the elevation of the sun is 30°, the length of the shadow cast by a tower of 150m height is: |
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| 8 |
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- A. 3:5:2
- B.
- C. 3:2:1
- D. 1:2:3
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| 9 |
If 2s = a + b +c, then in any triangle ABC: |
- A.
- B.
- C.
- D. none of these
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| 10 |
In any triangle ABC, law of tangents is: |
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