Lines, Angles and Quadrilaterals (IMO- Mathematics Olympiad Class 9): Questions 64 - 68 of 126

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Question number: 64

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The angles of quadrilateral are in the ratio 3:5:9:13 . All angles of a quadrilaterals are________

Choices

Choice (4) Response
a.

30˚, 90˚, 60˚, 20˚

b.

30˚, 60˚, 45˚, 15˚

c.

36˚, 60˚, 108˚, 156˚

d.

45˚, 20˚, 30˚, 60˚

Question number: 65

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the adjacent figure, PQRS is a rhombus whose diagonals PR and QS intersect at a point O if side PQ = 20 cm and diagonal QS = 24 cm, the length of diagonal PR is ________

PQRS is a rhombus whose diagonals

PQRS Is a Rhombus Whose Diagonals

PQRS is a rhombus whose diagonals PR and QS intersect at a point O and PQ = 20 cm and diagonal QS = 24 cm and find PR

Choices

Choice (4) Response
a.

30

b.

28

c.

32

d.

34

Question number: 66

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The sides BA and DC of the quadrilateral ABCD are produced as shown in the figure, then________.

Image ABCD is a quadrilateral

Image ABCD Is a Quadrilateral

The sides BA and DC of the quadrilateral ABCD are produced as shown in the image and find the equation

Choices

Choice (4) Response
a.

a+y=b+x

b.

a+b=x+y

c.

a+x=b+y

d.

a+b=xy

Question number: 67

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The supplement of an angle is 30 more than five times its complement. Find the measure of the angle

Choices

Choice (4) Response
a.

65˚

b.

67.5˚

c.

56˚

d.

38˚

Question number: 68

» 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˚

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