IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 105 - 111 of 929

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Question number: 105

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

7

b.

8

c.

5

d.

6

Question number: 106

» Lines, Angles and Quadrilaterals

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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

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 107

» Lines, Angles and Quadrilaterals

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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

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 108

» Polynomials

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MCQ▾

Question

The expression equals to ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 109

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

The given figure ABCD is a parallelogram then the values of and are________

Image is parallelogram ABCD

Image is Parallelogram ABCD

Choices

Choice (4)Response

a.

70˚, 25˚

b.

35˚, 60˚

c.

25˚, 70˚

d.

55˚, 40˚

Question number: 110

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

The measure of an angle is eight times the measure of its supplementary angle. Then the angles are________

Choices

Choice (4)Response

a.

65˚, 45˚

b.

20˚, 160˚

c.

63˚, 157˚

d.

140˚, 60˚

Question number: 111

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the figure below, lines WX and YZ intersect at O. if and , then are equal to ________

Image defines the lines WX and YZ intersect at O

Image Defines the Lines WX and YZ Intersect at O

Choices

Choice (4)Response

a.

154˚

b.

158˚

c.

150˚

d.

190˚

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