| 1 |
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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| 2 |
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- A. right angled
- B. equilateral
- C. isosceles
- D. obtuse angled
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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 |
r r<sub>1</sub> r<sub>2</sub> r<sub>3</sub> = |
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| 5 |
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- A. 3:5:2
- B.
- C. 3:2:1
- D. 1:2:3
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| 6 |
A circle drawn inside a triangle and touching its sides is known as: |
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| 7 |
In any triangle ABC, law of cosines is: |
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| 8 |
In triangle ABC, If Γ = 90° then: |
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| 9 |
With usual notations for triangle R equals: |
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| 10 |
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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