IMO- Mathematics Olympiad Class 9: Questions 203 - 207 of 919

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Question number: 203

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the given figure, Equation , Equation and Equation , find Equation

Image shows lines and angles value

Image Shows Lines and Angles Value

Image defines the angles values and find the value of ∠QRS

Choices

Choice (4) Response

a.

50˚

b.

45˚

c.

55˚

d.

60˚

Question number: 204

» Lines, Angles and Quadrilaterals

MCQ▾

Question

Ray OE bisects ∠AOB and OF is the ray opposite OE, then ∠FOB = ________

Image defines Ray OE bisects ∠AOB and OF is the ray opposite OE

Image Defines Ray OE Bisects ∠AOB and of Is the Ray Opposite OE

Image defines Ray OE bisects ∠AOB and OF is the ray opposite OE and find ∠FOB

Choices

Choice (4) Response

a.

∠BOE

b.

∠FOA

c.

∠AOE

d.

∠FOE

Question number: 205

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the figure, p is greater than q by one third of a right angle. Find the values of p and q.

Image defines the two angles

Image Defines the Two Angles

Image defines the angles and find the values of p and q

Choices

Choice (4) Response

a.

p = 115˚ and q = 65˚

b.

p = 75˚ and q = 105˚

c.

p = 105˚ and q = 75˚

d.

p = 65˚ and q = 115˚

Question number: 206

» Lines, Angles and Quadrilaterals

MCQ▾

Question

If two supplementary angles are in the ratio 13: 5, then the angles is ________

Choices

Choice (4) Response

a.

125˚, 55˚

b.

145˚, 35˚

c.

130˚, 50˚

d.

120˚, 60˚

Question number: 207

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the given figure, ∠COD is a right angle. ∠AOC and ∠BOD are in the ratio of 3: 2, thus ∠BOD measures________

Image defines the different angle, find BOD

Image Defines the Different Angle, Find BOD

Image defines the angles and its ratio

Choices

Choice (4) Response

a.

50˚

b.

40˚

c.

54˚

d.

36˚

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