1 |
If triangle ABC, If ß = 90° then: |
- A.
- B.
- C.
- D. none of these
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2 |
The in-radius r of a triangle is given by: |
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3 |
|
- A. r<sub>1</sub>
- B. r<sub>2</sub>
- C. r<sub>3</sub>
- D. r
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4 |
In any triangle ABC, law of sines is: |
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5 |
r<sub>3</sub> = |
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6 |
r<sub>1 </sub>= |
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7 |
In a triangle ABC, (s - a)(s - b) = s(s - c), then the angle Γ = |
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8 |
A circle which touches one side of a triangle externally and the other two produces sides internally is known as: |
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9 |
The circum-radius R of a triangle is given by: |
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10 |
In triangle ABC, if α = 90° then: |
- A.
- B.
- C.
- D. none of these
|