IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 127 - 131 of 929

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Question number: 127

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the figure, if , then x = ________

Image defines the AB and CD is parallel lines

Image Defines the AB and CD is Parallel Lines

Image defines the AB and CD is parallel lines and fined the value of x

Choices

Choice (4) Response

a.

70˚

b.

55˚

c.

45˚

d.

60˚

Question number: 128

» Triangles and Circles

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MCQ▾

Question

In the adjoining figure, circles with centres at L, M and N each have a radius of 2 units and are placed as shown here. If PQRS is the smallest rectangle that will enclose the 3 circles, what is the area of PQRS?

image define in the adjoining figure,circles with centresL,M,N

Image Define in the Adjoining Figure, Circles with centresL, M, N

here in image define in the adjoining figure, circles with centres at L, M and N each have a radius of 2 units and are placed as shown here then find the area of PQRS

Choices

Choice (4) Response

a.

12 sq. units

b.

16 sq. units

c.

8 sq. units

d.

32 sq. units

Question number: 129

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

The value of x in the given figure is ________

Figure define the angles

Figure Define the Angles

Image defines the different angle and find the value of x

Choices

Choice (4) Response

a.

116˚

b.

118˚

c.

114˚

d.

120˚

Question number: 130

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

In the given figure , then value of x is________.

Image defines the different lines

Image Defines the Different Lines

Image defines the lines and angle and find the value of x

Choices

Choice (4) Response

a.

110˚

b.

112˚

c.

105˚

d.

115˚

Question number: 131

» Lines, Angles and Quadrilaterals

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MCQ▾

Question

The given figure, WXYZ is a trapezium in which ∠x = k˚, ∠y = 95˚, ∠z= (2y + 25) ˚ and ∠w= (3y + 10) ˚ then the value of y and k are________

Image of a trapezium WXYZ

Image of a Trapezium WXYZ

Image defines the trapezium and find the value of k and y

Choices

Choice (4) Response

a.

b.

c.

d.