IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 188 - 192 of 929

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Question number: 188

» Triangles and Circles

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MCQ▾

Question

In and , , are extended to X and Y respectively and . Under which congruency criterion, the triangles are congruent?

Choices

Choice (4) Response

a.

SAA

b.

SAS

c.

SSS

d.

SSA

Question number: 189

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

The angle between bisectors of the angles of a linear pair is ________

Choices

Choice (4) Response

a.

90˚

b.

30˚

c.

45˚

d.

180˚

Question number: 190

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

Three parallel lines are cut by two transversals as shown in the given figure. If , and , then the length of QR is ________

Image shows three parallel lines and two transversal lines

Image Shows Three Parallel Lines and Two Transversal Lines

Image of three parallel lines and two transversal lines, find length of QR

Choices

Choice (4) Response

a.

12 cm

b.

14 cm

c.

16 cm

d.

10 cm

Question number: 191

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

Three parallel lines are cut by two transversals as shown in the given figure. If , and , then the length of EF is ________

Image of three parallel lines and two transversal lines

Image of Three Parallel Lines and Two Transversal Lines

Image of three parallel lines and two transversal lines, find length of EF

Choices

Choice (4) Response

a.

2 cm

b.

3.5 cm

c.

4 cm

d.

3 cm

Question number: 192

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the figure , and then ∠4 is________

Image defines the AB, CD and EF is parallel line

Image Defines the AB, CD and EF is Parallel Line

Image defines the AB, CD and EF is parallel line, find ∠4

Choices

Choice (4) Response

a.

126˚

b.

136˚

c.

172˚

d.

134˚