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11th Class FSC Mathematics Chapter 12 Test Online MCQs With Answers
Question # 1
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Question # 2
r
2
=
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Question # 3
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3:5:2
3:2:1
1:2:3
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Question # 4
If triangle ABC, If ß = 90° then:
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none of these
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Question # 5
The in-radius r of a triangle is given by:
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Question # 6
r
3
=
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Question # 7
With usual notations for triangle R equals:
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Question # 8
If 2s = a + b +c, then in any triangle ABC:
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none of these
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Question # 9
If α, ß, Γ are the angles of a oblique triangle, then:
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α = 90°
ß = 90°
Γ = 90°
none of these
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Question # 10
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Question # 11
In triangle ABC, If Γ = 90° then:
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b = c + a
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Question # 12
In triangle the length of the sides are 7, 4√3 and √13. Then the smallest angle is:
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15°
30°
60°
45°
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Question # 13
A circle drawn inside a triangle and touching its sides is known as:
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Question # 14
r
1
=
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Question # 15
In any triangle ABC, law of sines is:
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Question # 16
In a triangle ABC if a
2
- b
2
+ c
2
= ac then < ß =
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Question # 17
In a triangle ABC, (s - a)(s - b) = s(s - c), then the angle Γ =
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Question # 18
A circle passing though the vertices of a triangle is known as:
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Question # 19
The lengths of the sides of a triangle are proportional to the sines of the opposite angles to the sides. This is known as:
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The law of sines
The law of cosines
The law of tangents
The fundamental law
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Question # 20
In 2s = a + b + , then in any triangle ABC:
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all of above
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