IMO- Mathematics Olympiad Class 9: Questions 177 - 182 of 919

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Question number: 177

» Lines, Angles and Quadrilaterals

MCQ▾

Question

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

Choices

Choice (4) Response

a.

50˚, 200˚

b.

18˚, 72˚

c.

36˚, 144˚

d.

40˚, 160˚

Question number: 178

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the given figure, ABCD is a trapezium in which AB = 7cm, AD = BC = 5 cm, DC = x cm and the distance between AB and CD is 4 cm. Then the value of x is ________

Image defines the ABCD is a trapezium

Image Defines the ABCD Is a Trapezium

Image defines the ABCD is a trapezium and find the value of x

Choices

Choice (4) Response

a.

19 cm

b.

Cannot be determined

c.

16 cm

d.

13 cm

Question number: 179

» Lines, Angles and Quadrilaterals

MCQ▾

Question

If two complementary angles are in the ratio 13: 5, then the angles are________

Choices

Choice (4) Response

a.

15˚, 85˚

b.

65˚, 25˚

c.

13 x˚, 5 x˚

d.

65˚, 35˚

Question number: 180

» Triangles and Circles

MCQ▾

Question

If a right triangle has sides of length 1 and Equation , which of the following could be the length of the remaining side?

  1. 1

  2. Equation

  3. Equation

Choices

Choice (4) Response

a.

2 Only

b.

1 And 3 Only

c.

1 Only

d.

3 Only

Question number: 181

» Number System

MCQ▾

Question

If Equation and x and y are positive integers, then y could be which of the following?

Choices

Choice (4) Response

a.

3

b.

5

c.

4

d.

2

Question number: 182

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the figure Equation , Equation form a linear pair and Equation . Then a, b respectively are________

Image defines angles that form a linear pair

Image Defines Angles That Form a Linear Pair

Image defines the angles that form a linear pair and find a and b

Choices

Choice (4) Response

a.

70˚, 100˚

b.

80˚, 120˚

c.

110˚, 70˚

d.

120˚, 80˚

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