IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 211 - 217 of 929

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Question number: 211

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

If two supplementary angles are in the ratio 2: 3, then the angles is ________

Choices

Choice (4)Response

a.

140˚, 80˚

b.

185˚, 50˚

c.

72˚, 108˚

d.

160˚, 36˚

Question number: 212

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

The angles A, B, C, D, in the parallelogram ABCD are________

Image ABCD is parallelogram

Image ABCD is Parallelogram

Image ABCD is parallelogram and the different angles

Choices

Choice (4)Response

a.

90˚, 45˚, 30˚, 15˚

b.

90˚, 45˚, 15˚, 20˚

c.

90˚, 90˚, 90˚, 90˚

d.

30˚, 60˚, 20˚, 40˚

Question number: 213

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the given figure, and . Then ∠PSX is________

Image defines the WX and YZ is two lines parallel

Image Defines the WX and YZ is Two Lines Parallel

Image defines WX and YZ is two lines parallels and find the value of ∠PSX

Choices

Choice (4)Response

a.

90˚

b.

155˚

c.

45˚

d.

60˚

Question number: 214

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

Diagonals of a rectangle ABCD intersect at O. if , then ∠DCO is ________

Choices

Choice (4)Response

a.

70˚

b.

55˚

c.

35˚

d.

110˚

Question number: 215

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the given figure, BO, CO is angle bisectors of external angles of △ABC. Then BOC is ________

Image defines the angle

Image Defines the Angle

Image defines the angles and find the angle values

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 216

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

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

Image defines lines XY and MN intersect at O

Image Defines Lines XY and MN Intersect at O

Image defines the two lines intersect and find the value of ∠XON

Choices

Choice (4)Response

a.

130˚

b.

90˚

c.

126˚

d.

180˚

Question number: 217

» Triangles and Circles

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MCQ▾

Question

Triangle PAB is formed by three tangents to circle with center O and, then angle ACB equals ________

Triangle PAB is formed by 3 tangents to circle with center O

Triangle PAB is Formed by 3 Tangents to Circle with Center O

Given the Triangle PAB is formed by three tangents to circle with center O and angle APB is 80 then find the angle AOC equals value

Choices

Choice (4)Response

a.

b.

c.

d.

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