PBTE | DAE | MATH-123 APPLIED MATHEMATICS-I | MCQs | Chapter : 05 Solution of Triangles

DAE MATH-123

Contents

1. Applied Mathematics-I
   1. Chapter 5 : Solution of Triangles
   2. Multiple Choice Questions
   3. Chapter:05 (Solution of Triangles)
   4. Question 1:
   5. Question 2:
   6. Question 3:
   7. Question 4:
   8. Question 5:
   9. Question 6:
   10. Question 7:
   11. Question 8:
   12. Question 9:
   13. Question 10:
2. Quiz Results

Applied Mathematics-I

Chapter 5 : Solution of Triangles

DAE Common Technologies | First Year

Multiple Choice Questions

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• Chapter 5 (Solution of Triangles)

Chapter:05 (Solution of Triangles)

Question 1:

Law of sines is:

${\frac{a}{sin A}}={\frac{b}{sin B}}={\frac{c}{sin c}}$ ${\frac{a}{sin A}}={\frac{b}{sin B}}={\frac{c}{sin C}}$ ${\frac{a}{sin B}}={\frac{b}{sin A}}={\frac{c}{sin C}}$ ${\frac{a}{sin B}}={\frac{b}{sin C}}={\frac{a}{sin A}}$

Question 2:

In a triangle ABC ${\angle}A={70^0}$, ${\angle}B={60^0}$, then ${\angle}C is:$

${30^0}$ ${40^0}$ ${50^0}$ ${60^0}$

Question 3:

When angle of elevation is viewed by an observer, the object is:

Above Below At the same level None of these

Question 4:

If b = 2, A = $30^0$, B = $45^0$ , then a is equal to:

$2$ ${\sqrt{2}}$ $\frac{\sqrt{3}}{2}$ $\frac{2}{\sqrt{3}}$

Question 5:

If a = 2, b = 2, A = $30^0$, then $B^0$ is:

${45^0}$ ${30^0}$ ${60^0}$ ${90^0}$

Question 6:

If in a triangle ABC, the sides b, c and angle A are given, then the side a is:

${a^2}={b^2}+{c^2}+2bc .cos A$ ${a^2}={b^2}-{c^2}-2ab .cos A$ ${a^2}={b^2}+{c^2}-2bc .cos A$ ${a^2}={b^2}-{c^2}+2ab .cos A$

Question 7:

In a triangle ABC, the law of cosine is:

${Cos A}={\frac{{b^2}+{c^2}+{a^2}}{2bc}}$ ${Cos A}={\frac{{b^2}+{c^2}-{a^2}}{2bc}}$ ${Cos A}={\frac{{b^2}+{c^2}+{a^2}}{2ab}}$ ${Cos A}={\frac{{b^2}+{c^2}-{a^2}}{2ac}}$

Question 8:

If in a triangle ABC, b = 2, c = 2, A =${60^0}$, then side a is:

2 3 4 5

Question 9:

If in a triangle ABC, a = 1, b = 2, C = ${60^0}$, then side c is:

${\sqrt{2}}$ ${2}$ ${1}$ ${3}$

Question 10:

If in a triangle ABC, b = 2, c = 3, a = 1, then cos A is:

1 2 3 4

Quiz Results

Total Questions:

Correct Answers:

Incorrect Answers:

Percentage:

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INSTRUCTOR

MUHAMMAD BIN JAMEEL

BSC ENGG. CIVIL