# Quadrilaterals and Practical Geometry (IMO- Mathematics Olympiad Class 8): Questions 35 - 39 of 62

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## Question number: 35

MCQ▾

### Question

In a parallelogram ABCD, if, then the others angles are________.

### Choices

Choice (4) Response

a.

35, 145, 145

b.

35, 135, 135

c.

45, 115, 115

d.

45, 125, 135

## Question number: 36

MCQ▾

### Question

The exterior angle of a regular polygon is one-fourth of its interior angle. How many sides has the polygon?

### Choices

Choice (4) Response

a.

8

b.

10

c.

4

d.

12

## Question number: 37

MCQ▾

### Question

To construct a convex quadrilateral which of the following cases is not correct?

### Choices

Choice (4) Response

a.

When the lengths of four sides and one diagonal are given

b.

When the lengths of three sides and the two diagonal given.

c.

When the lengths of two sides and one angle are given.

d.

When the lengths of two sides and two included angles are given.

## Question number: 38

MCQ▾

### Question

ABCD is a quadrilateral. If its diagonals are perpendicular bisectors of each other, then ABCD is________.

### Choices

Choice (4) Response

a.

Square

b.

Parallelogram

c.

Rectangle

d.

Rhombus

## Question number: 39

MCQ▾

### Question

A trapezium in which non parallel sides are equal is said to be________.

### Choices

Choice (4) Response

a.

Equilateral trapezium

b.

Isosceles trapezium

c.

Right trapezium

d.

All of the above

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