IMO- Mathematics Olympiad Class 7: Questions 248 - 252 of 1012

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Question number: 248

» Practical Geometry - Lines and Angles

MCQ▾

Question

Which of the statements are correct?

Choices

Choice (4) Response

a.

Feet of the perpendiculars drawn from the vertices of a parallelogram on to its diagonals are the vertices of a parallelogram.

b.

Feet of the perpendiculars drawn from the face of a parallelogram on to its vertices of a parallelogram.

c.

Feet of the parallels from the vertices of a parallelogram on to its diagonals are the vertices of a parallelogram.

d.

Vertices of a parallelogram cannot be determined.

Question number: 249

» Practical Geometry - Lines and Angles

MCQ▾

Question

In the figure, trapezium is a trapezium with AB parallel to DC, AC=AD and EAC is a straight line. Find Y.

Trapezium ABCD is given.

Trapezium ABCD Is Given.

Showing image of Trapezium ABCD in AB is parallel to DC

Choices

Choice (4) Response

a.

70°

b.

120°

c.

90°

d.

80°

Question number: 250

» Practical Geometry - Lines and Angles

MCQ▾

Question

A right- angled triangle has hypotenuse 17 cm, one side is 8 cm, then the third side is ________.

Choices

Choice (4) Response

a.

7 cm

b.

12 cm

c.

4 cm

d.

6 cm

Question number: 251

» Practical Geometry - Lines and Angles

MCQ▾

Question

An angle is 33° less than two times of its supplement, then the smaller angle is ________.

Choices

Choice (4) Response

a.

71°

b.

81°

c.

129°

d.

109°

Question number: 252

» Practical Geometry - Lines and Angles

MCQ▾

Question

In the figure AB is parallel to DC. Which of the following statement is true?

Image shows the line m and AB is parallel to DC

Image Shows the Line M and AB Is Parallel to DC

Showing image of line m and AB is parallel to DC

Choices

Choice (4) Response

a.

c+d=180°

b.

c+b=180°

c.

a+b=180°

d.

a+b+c=180°

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