# Quadrilaterals and Practical Geometry (IMO- Mathematics Olympiad (SOF) Class 8): Questions 9 - 14 of 62

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## Question number: 9

MCQ▾

### Question

To construct a quadrilateral uniquely, it is necessary to have the knowledge of at least________independent elements.

### Choices

Choice (4) Response

a.

Four

b.

Two

c.

Three

d.

Five

## Question number: 10

MCQ▾

### Choices

Choice (4) Response

a.

Two

b.

Five

c.

Four

d.

Three

## Question number: 11

MCQ▾

### Question

The number of sides of a regular polygon whose each exterior angle has a measure of is________.

### Choices

Choice (4) Response

a.

10

b.

8

c.

3

d.

6

## Question number: 12

MCQ▾

### Question

Given below steps of construct a quadrilateral ABCD where AB = 5.2 cm, BC = 4.0 cm, CD = 4.2 cm, AD = 3.3 cm and which of the following is a wrong step?

(P) Step 1: Draw AB = 5.2cm and construct

(Q) Step 2: With A as center and radius AD = 3.3 cm, cut off AD = 3.3 cm along AX.

(R) Step 3: Join BD. With D as center and radius DC = 4.2 cm, draw an arc.

(S) Step 4: With B as center and radius BC = 4.0 cm, draw an arc to cut the arc drawn in above step at C. Join BC, CD to obtain the required quadrilateral ABCD.

### Choices

Choice (4) Response

a.

R

b.

S

c.

P

d.

Q

## Question number: 13

MCQ▾

### Question

Four angles of a quadrilateral are in the ratio 2: 4: 6: 8. The greatest angle is________.

### Choices

Choice (4) Response

a.

144

b.

110

c.

120

d.

150

## Question number: 14

MCQ▾

### Question

The number of sides of a regular polygon whose each exterior angle has a measure of is________.

### Choices

Choice (4) Response

a.

10

b.

6

c.

8

d.

3

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