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Punjab 11th Class Math Chapter 12 Application of Trigonometry Mcqs Test Online

Math Chapter 12 Application of Trigonometry Mcqs Test Online Punjab 11th Class

Question 1 of 20

Math

1. A triangle has _________ Important elements.

Question 1 of 20

Question 2 of 20

2. The In – radius r of a triangle is given by

∆/S – C

∆/S

∆/S – D

∆/S – b

Question 2 of 20

Question 3 of 20

3. In any triangle, with usual notations, Sec α/2 is equal to.

√ab / s (s – c)

√ac / s (s – b)

√bc / s (s – a)

√ac / (s – a)(s – c)

Question 3 of 20

Question 4 of 20

4. e – radius Corresponding to angle A is

∆/S – c

∆/S – a

∆/S – b

∆/S

Question 4 of 20

Question 5 of 20

5. In triangle c2 = a2 + b2 – 2ab Cos r is called

None of these

Law of tangents

Law of Cosines

Law of Sine’s

Question 5 of 20

Question 6 of 20

6. In any triangle, with usual notations, Cos α/2 is equal to.

√s(s – a)/ab

√s(s – c)/ab

√s(s – a)/ac

√s(s – a)/ad

Question 6 of 20

Question 7 of 20

7. The point of Concurrency of the right – bisectors of the sides of a triangle is called

Orthocenter

Centroid

Circum center

In-Center

Question 7 of 20

Question 8 of 20

8. In usual notations, r₁ =

∆/S – a

∆/S

∆/S – b

∆/S – c

Question 8 of 20

Question 9 of 20

9. With usual notations r r₁ r₂ r₃ =

∆

Abc/∆

∆/abc

∆²

Question 9 of 20

Question 10 of 20

10. A triangle which is not right angled is called.

Acute – angled

Oblique

Isosceles

Obtuse – angle

Question 10 of 20

Question 11 of 20

11. The Circum – radius R of a triangle is given by

abc /4∆

c/Sinα

4 abc/∆

b/Sinβ

Question 11 of 20

Question 12 of 20

12. The point Concurrency of the altitudes of a triangle is called

Centroid

In – Center

Circum center

Ortho Center

Question 12 of 20

Question 13 of 20

13. When two sides and its included angle is give, then area of triangle is given by

½ ab Sin C

All of these

½ bc Sin C

½ ac Sin B

Question 13 of 20

Question 14 of 20

14. In any triangle, with usual notations, tan α/2 is equal to.

√(s – a)(s – c)/s(s – b)

√(s – b)(s – c)/s(s – a)

√(s – a)(s – b)/s(s – c)

√(s – b)(s – c)/s(s + a)

Question 14 of 20

Question 15 of 20

15. The circle which passes through the vertices of a triangle is called

In-Circle

None of these

Circum center

e-Circle

Question 15 of 20

Question 16 of 20

16. In any triangle ABC, SinA+SinB/SinA – SinB =

a + b/a – b

b + a/b – c

2a + b/a – 2b

a + c/a – c

Question 16 of 20

Question 17 of 20

17. In any triangle, with usual notations, Sin α/2 is equal to.

√(s + b)(s - c)/bc

√(s + b)(s + c)/bc

√(s - a)(s - c)/bc

√(s - b)(s - c)/bc

Question 17 of 20

Question 18 of 20

18. The point of Concurrency of the medians of a triangle is called

Circum center

Ortho Center

In – Center

Centroid

Question 18 of 20

Question 19 of 20

19. In any triangle ABC, law of Sine’s is

Cos A = b²+c²+a²/2bc

½ ac Sin B

a/Sin A = b/Sin B = C/Sin C

A/Sin A = B/Sin B = C/Sin C

Question 19 of 20

Question 20 of 20

20. The circle which touches the sides of a triangle internally is called

Circum center

In-Circle

e-Circle

Centroid

Question 20 of 20

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Test By Topics	11th Class Math

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Punjab 11th Class Math Chapter 12 Application of Trigonometry Mcqs Test Online

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Punjab 11th Class Math Chapter 12 Application of Trigonometry Mcqs Test Online

Math Chapter 12 Application of Trigonometry Mcqs Test Online Punjab 11th Class

Math

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