Question # 1

A triangle which is not right is called an ______ triangle

Choose an answer

Acute

Obtuse

Oblique

None of these

Choose an answer

The law of sines

The law of tangents

The pythagorus theorem

None of these

Choose an answer

IfΔABC is right, law of cosine reduce to

Choose an answer

Law of sine

Law of tangent

Phthogorous theorem

Hero's formula

Choose an answer

At a point 15 meters away from the base of a 15 meters high house, the angle of elevation of the top is

Choose an answer

90°

60°

30°

45°

The upper 3/4 the portion of a vertical pole subtends an angle tan^-13/5 at a point in the horizontal plane through its foot and at a distance 40 m from the foot. A possible height of the vertical pole is

Choose an answer

20 m

40 m

60 m

80 m

Choose an answer

The law of sines is

Choose an answer

A circle passing through the vertices of any triangle is called

Choose an answer

Circumcirle

Incircle

Escribed circle

Unit circle

If the angle of a triangle are in the ratio 2 : 3 : 7, the triangle is

Choose an answer

Obtuse

Acute

Right angle

Isosceles

Choose an answer

Ifθ= 60° then

Choose an answer

sinθ= 1/2

tanθ= cot 30°

θ=π/4

secθ= 4

IfΔABC is right, law of cosine reduce to

Choose an answer

Law of sine

Law of tangent

Phthogorous theorem

Hero's formula

Choose an answer

A man of height 6 ft observes the top of a tower and the foot of the tower at angles of 45° and 30° of elevation and depression respectively. The height of the tower is

Choose an answer

The law of consines is

Choose an answer

The angle of depression of the point at a distance 70 meters from the foot of the tower from the top of the tower is 45^𝜊.The height of the tower is

Choose an answer

37m

97m

101m

70m

For any equilateral r :R :η :r1 :r2 :r3 =

Choose an answer

1:2:3:4:5

1:2:3:3:3

1:2:4:4:4

2:1 :2 :2 :2

If the flag-staff 6 meters high placed on the top of a tower. Makes the shadow 2√3 m on the ground, then the angle of elevation of the sun is

Choose an answer

30^ο

35^ο

45^ο

60^ο

A triangle has six

Choose an answer

side

elements

angle

tangents

Choose an answer

The angle AOP which the ray from an observer's eye at O to an object at P at a lower level makes with horizontal ray OA through O is called the

Choose an answer

Angle of depression

Angle of elevation

Acute angle

Obtuse angle

An airplane flying at height of 300 meters above the ground passes vertically above another plane at an instant when the angle of elevation of the two planes from the same point on the ground are 60° and 45° respectively. Then the height of the lower plane from the ground is (in meters).

Choose an answer

If Cosθ=0, thenθ= ______

Choose an answer

nπ/2

(2n + 1)π/2

(2n - 1)π/2

(4n + 1)π/2

An observer on the top of a cliff 200 m above the sea level, observes the angles of depression of two ships on opposite sides of the cliff to be 45° and 30°, respectively. The distance between the ships if the line joining them points to the base of cliff is

More Classes

Other Links

Mathematics ECAT Pre Engineering Chapter 14 Application of Trigonometry Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer