IMO- Mathematics Olympiad Class 9: Questions 163 - 167 of 919

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Question number: 163

» Lines, Angles and Quadrilaterals

MCQ▾

Question

XYZ is an equilateral triangle for sideEquation . J, K and L are midpoints of XY, YZ and XZ respectively. The area of triangle JKL is (inEquation ) ________

XYZ is an equilateral triangle for side given

XYZ Is an Equilateral Triangle for Side Given

Image XYZ is an equilateral triangle, find the area of triangle is JKL

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 164

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The supplementary angle of an angle is one fifth of itself. Then the angle of its supplement are________

Choices

Choice (4) Response

a.

150˚, 30˚

b.

160˚, 20˚

c.

160˚, 130˚

d.

150˚, 45˚

Question number: 165

» Coordinate Geometry

MCQ▾

Question

In the adjoining figure, point P the intersection of lines l1 and l2 has coordinates (a, b) as shown here. Which of the following could be the ordered pair (a, b)?

point P the intersection of lines l1 & l2 has coordinates (a,b)

Point P the Intersection of Lines l1 & l2 Has Coordinates (A, B)

Adjoining figure, point P the intersection of lines l1 and l2 has coordinates (a, b) as shown here find the ordered pair (a, b)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 166

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The supplementary angle of an angle is one third of itself. Then the angle of its supplement are________

Choices

Choice (4) Response

a.

120˚, 360˚

b.

60˚, 180˚

c.

135˚, 45˚

d.

60˚, 120˚

Question number: 167

» Number System

MCQ▾

Question

Find the value of Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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