IMO- Mathematics Olympiad (SOF) Class 9: Questions 275 - 279 of 918

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Question number: 275

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The angle between two altitudes of a parallelogram through the vertex of an obtuse angle of the parallelogram is 60°, Then the angles of the parallelogram is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 276

» Surface Area and Volumes

MCQ▾

Question

In the given figure, the area of shaded portion is ________

Given the PQS and PQR is a triangle

Given the PQS and PQR is a Triangle

Given the PQS and PQR is a triangle and also define the PR = 52 cm, QR = 48 cm, QS = 16 cm and PS = 12 cm find the shaded area region

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 277

» Triangles and Circles

MCQ▾

Question

In triangle HKM, the altitude from H to KM meets KM at J, and the altitude from K to HM meets HJ at S. if , and , if then the length of SJ is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 278

» Coordinate Geometry

MCQ▾

Question

On plotting the points A (3,6), B (9,6), C (5,8), D (11,8), E (11,3), F (9,1), G (3,1) and joining AB, AC, BD, CD, DE, BF, AG, EF, GF Which of the following figure is obtained?

Choices

Choice (4) Response

a.

Teardrop

b.

Can

c.

Cube

d.

Chord

Question number: 279

» Coordinate Geometry

MCQ▾

Question

If the coordinate of the two points are A (-2,6) and B (-4,5) then (abscissa of A) - (abscissa of B) is ________

Choices

Choice (4) Response

a.

1

b.

2

c.

-1

d.

-2

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