IMO- Mathematics Olympiad (SOF) Class 9: Questions 105 - 109 of 919

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Question number: 105

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the figure, bisectors of ∠Q and ∠S of a quadrilateral PQRS meet RS and PQ produced at X and Y respectively. Then is ________

Image defines the quadrilateral PQRS

Image Defines the Quadrilateral PQRS

Image defines the quadrilateral PQRS and find the angle x and y

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 106

» Lines, Angles and Quadrilaterals

MCQ▾

Question

How many sides does a regular polygon have, each angle of which is of measure 108˚?

Choices

Choice (4) Response

a.

5

b.

7

c.

8

d.

6

Question number: 107

» Lines, Angles and Quadrilaterals

MCQ▾

Question

DEF is an equilateral triangle for side. A, B and C are midpoints of DE, EF and DF respectively. The area of triangle JKL is (in) ________

DEF is an equilateral triangle for side given

DEF Is an Equilateral Triangle for Side Given

Image DEF is an equilateral triangle, find the area of triangle is ABC

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 108

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the figure the bisectors of ∠PQR and ∠PRQ intersect each other at O, then ∠QOR is ________

 Image defines the 2 bisectors intersect each other

Image Defines the 2 Bisectors Intersect Each Other

Image defines the ∠PQR and ∠PRQ is 2 bisectors its intersect each other O then find ∠QOR

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 109

» Polynomials

MCQ▾

Question

The expression equals to ________

Choices

Choice (4) Response

a.

b.

c.

d.

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