Maths 1st Year Chapter 12 Application of Trigonometry MCQs

Get the important Maths 1st Year Chapter 12 Application of Trigonometry MCQs here. If you have completed Intermediate, then you are now looking for the entry test preparations now and on this page, you will get the important MCQs of Chapter 12. When we talk about trigonometry, then this is not limited to the study of triangles only, it has several applications. There are different types of triangles. You can find the area of triangles using different formulae and techniques. So, if you are going to pass the entry test, then you must need to do well in the mathematics portion. It is because Mathematics has a big percentage and can give you best percentage if you do well. For this, you should prepare well. Here below we are giving you the important MCQs and you can prepare for it given below. So, have a look down for it.

Maths 1st Year Chapter 12 Application of Trigonometry MCQs

Question#1: If sinθ=0.6218 then θ=?

• 38^o27′
• 48^o27′
• 28^o21′
• 62^o41′

Question#2: In △ABC, if α: β: γ= 4:1:1 then a: b: c=?

• 1:2:3
• √3:1:1
• 3:2:2
• 2:1:1

Question#3: If the sides of a triangle are 3, 5, and 7 then the greatest angle is:

• 90^o
• 135^o
• 120^o
• 105^o

Question#4: For an equilateral triangle ABC, s-a/s=?

• ½
• 1/3
• 2/3
• 3

Question#5: For triangle ABC, with usual notations rr₁r₂r₃=?

• △
• R
• abc/△
• △²

Question#6: In a cyclic quadrilateral, if one of its angles is 80^o then the measure of the angle opposite to that angle is:

• 10^o
• 100^o
• 90^o
• 80^o

Question#7: For an equilateral triangle ABC if r=5, then r₃=?

• 5
• 10
• 15
• 8

Question#8: In △ABC, if a=8, b=3, β=30^o, then α=?

• 60^o
• 45^o
• 90^o
• Cannot be determined

Question#9: In a triangle ABC, a=11, b=9, c=19, which angle is the smallest?

• α
• β
• γ
• None of the above

Question#10: Which one of the following can be the angles of an oblique triangle?

• 50^o, 50^o, 50^o
• 50^o, 65^o, 70^o
• 30^o, 60^o, 90^o
• 20^o, 59^o, 10^o

Question#11: In a △ABC if γ=90^o then R=?

• a
• b/2
• a+b
• c/2

Question#12: If for a △ABC, a=7, b=9, c=7, then γ=?

• 40^o
• 45^o
• 50^o
• 55^o

Question#13: In △ABC, if a=2√3, b=2, β=30^o, then α=?

• 60^o
• 120^o
• Both a and b
• 30^o

Question#14: If α is the measure of an angle of △ABC then tan α/2 is always:

• Negative
• Zero
• Positive
• Undefined

Question#15: s tan α/2=?

• R
• r
• r₁
• r₂